Active location

Tyndrum, Stirling

56.43°N, 4.71°W · ~237m · 06:47 – 19:39

Updated 03:43

Temp

12°C

↑ 0.4 / 1hr

Wind

5.1

↑ 1.8 / 1hr

Condition

Light drizzle

Score

6.2

Good


Time
Condition
Precip mm
Precip %
Temp
Temp °C
Feels °C
Wind
Direction
Wind mph
Gust mph
Detail
Humidity %
Pressure
Vis km
UV Index
CAPE J/kg
Score

Mon 14 Sep																					Tue 15 Sep																								Wed 16 Sep																								Thu 17 Sep																								Fri 18 Sep																								Sat 19 Sep																								Sun 20 Sep																								Mon 21 Sep
03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00	00:00

0.1	-	-	0.2	-	-	-	0.4	0.2	0.1	0.2	-	0.1	0.8	1.2	1.6	0.6	0.5	3.1	3.5	1.4	1.2	3.3	7.3	6.4	0.1	0.2	0.2	-	-	-	-	0.2	-	-	0.3	0.1	1.7	0.1	0.1	-	-	0.3	-	0.1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.1	0.1	0.1	0.1	0.1	0.1	0.6	0.6	0.6	2	2	2	1	1	1	0.3	0.3	0.3	0.9	0.9	0.9	1.3	1.3	1.3	1.4	1.4	1.4	1.2	1.2	1.2	0.6	0.6	0.6	0.3	0.3	0.3	0.2	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.2	-	-	-	0.4	0.4	0.4	0.9	0.9	0.9	0.6	0.6	0.6	0.1	0.1	0.1	0.2	0.2	0.2	0.3	0.3	0.3	0.5	0.5	0.5	0.4	0.4	0.4	0.4	0.4	0.4	0.1	0.1	0.1	0.1	0.1	0.1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
100%	40%	55%	100%	55%	35%	70%	100%	100%	100%	100%	55%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	95%	95%	45%	30%	30%	45%	80%	40%	25%	80%	95%	95%	80%	90%	30%	45%	80%	45%	80%	30%	25%	35%	30%	35%	25%	25%	15%	25%	20%	15%	15%	20%	15%	75%	80%	85%	85%	85%	85%	90%	95%	95%	100%	100%	100%	100%	100%	100%	80%	85%	95%	95%	95%	95%	100%	100%	100%	100%	100%	100%	100%	100%	100%	95%	95%	95%	95%	95%	95%	95%	90%	90%	85%	85%	80%	85%	85%	85%	85%	80%	80%	35%	25%	45%	80%	85%	90%	90%	90%	90%	90%	85%	80%	80%	85%	85%	85%	85%	80%	85%	85%	85%	90%	90%	90%	90%	85%	80%	80%	75%	70%	70%	70%	65%	65%	60%	60%	10%	10%	10%	10%	10%	5%	10%	10%	10%	15%	20%	20%	5%	5%	5%	5%	5%	5%	5%	5%	5%	5%	5%

12°	13°	13°	13°	13°	13°	14°	14°	15°	15°	15°	15°	15°	15°	15°	15°	15°	15°	15°	15°	16°	15°	15°	15°	15°	14°	12°	12°	12°	12°	12°	13°	13°	13°	14°	14°	14°	13°	13°	12°	12°	11°	11°	11°	11°	11°	10°	11°	10°	10°	10°	10°	10°	9°	10°	10°	11°	12°	13°	13°	12°	12°	11°	11°	10°	10°	10°	10°	10°	11°	11°	11°	11°	10°	10°	10°	9°	9°	10°	10°	10°	11°	11°	11°	11°	11°	11°	10°	10°	10°	10°	9°	9°	9°	9°	9°	9°	9°	9°	9°	9°	9°	10°	10°	11°	11°	11°	12°	12°	12°	12°	12°	12°	12°	13°	13°	13°	13°	12°	12°	12°	11°	11°	10°	10°	11°	11°	12°	12°	12°	12°	12°	12°	12°	11°	11°	11°	11°	10°	10°	9°	9°	9°	9°	8°	8°	8°	8°	8°	9°	9°	10°	10°	11°	11°	-	-	-	-	-	-	-	-	-	-	-
12°	12°	12°	12°	13°	13°	14°	14°	15°	16°	16°	15°	14°	15°	15°	15°	14°	14°	15°	15°	16°	15°	16°	16°	14°	12°	9°	9°	9°	10°	10°	10°	11°	11°	11°	12°	11°	10°	10°	9°	10°	10°	9°	10°	9°	9°	9°	9°	9°	9°	9°	9°	9°	7°	7°	8°	8°	9°	10°	10°	9°	9°	8°	8°	7°	7°	7°	6°	7°	8°	8°	8°	8°	7°	7°	6°	6°	6°	6°	6°	7°	7°	7°	7°	7°	7°	7°	7°	6°	6°	6°	6°	5°	5°	5°	4°	4°	4°	4°	4°	5°	5°	6°	7°	7°	8°	8°	8°	9°	9°	9°	9°	9°	10°	11°	11°	11°	10°	9°	9°	9°	9°	8°	8°	8°	8°	9°	10°	10°	10°	10°	10°	10°	9°	9°	8°	8°	8°	7°	7°	6°	6°	5°	5°	5°	5°	5°	5°	6°	6°	6°	7°	7°	7°	8°	-	-	-	-	-	-	-	-	-	-	-

S	S	SSE	SE	SE	SE	E	E	E	E	SE	SSE	SSE	S	SE	SSE	S	SSE	SSE	S	S	SW	ESE	ESE	W	WSW	W	W	W	W	W	W	W	WNW	W	W	W	WNW	W	W	W	W	WNW	WNW	W	W	W	W	W	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	WNW	W	W	WSW	WSW	WSW	SW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	SW	SSW	S	SSW	SSW	SSW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW	WSW	WSW	WSW	WSW	SW	SW	N	N	N	N	N	N	N	N	N	N	N
5	7	6	6	4	6	6	5	5	3	3	7	9	6	6	6	9	9	7	7	7	7	3	3	10	11	14	12	11	10	10	12	10	13	14	12	13	15	13	13	10	8	9	7	7	4	4	6	6	5	5	6	6	7	8	9	9	10	10	11	12	13	12	11	10	11	12	13	14	14	14	14	13	13	13	13	13	13	14	14	15	15	16	16	17	17	17	16	16	15	15	14	15	16	16	17	17	17	16	15	15	14	14	14	14	14	14	14	14	13	13	12	11	11	11	11	13	14	15	14	13	12	11	10	10	10	11	12	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	11	11	10	9	8	8	8	9	9	9	10	10	-	-	-	-	-	-	-	-	-	-	-
12	15	13	14	10	12	11	10	10	9	8	15	19	14	14	15	19	20	16	16	16	17	7	8	22	23	30	25	24	20	19	24	20	26	28	23	26	30	26	26	20	16	19	16	17	11	10	12	13	12	12	12	12	15	16	18	19	19	20	22	23	24	23	21	20	21	24	26	26	27	27	26	25	25	25	25	26	26	26	27	28	30	31	32	32	32	32	32	31	30	29	29	30	31	32	33	34	34	32	31	29	28	28	28	27	27	27	26	26	25	24	22	21	21	21	22	25	27	29	28	25	23	21	20	19	20	22	23	20	21	21	22	22	22	22	22	22	23	23	23	23	23	23	22	21	19	18	16	16	16	16	17	18	19	20	-	-	-	-	-	-	-	-	-	-	-

98	98	99	99	99	100	99	99	97	97	96	98	99	97	97	98	97	96	97	96	96	94	99	96	96	98	97	94	94	93	92	91	89	83	79	84	88	89	88	92	91	91	93	92	93	92	94	94	94	94	94	94	93	93	89	86	82	78	76	79	84	88	90	92	93	94	95	96	96	95	95	95	95	95	95	96	96	96	96	95	94	93	92	92	93	94	94	95	95	95	96	96	96	95	95	95	94	94	94	94	94	94	94	93	92	91	90	88	86	85	88	92	96	97	97	97	96	95	94	94	95	96	97	97	97	96	95	94	95	95	94	93	93	92	91	91	90	90	90	89	89	89	89	89	89	88	88	87	86	84	82	79	76	74	72	-	-	-	-	-	-	-	-	-	-	-
989	988	988	987	988	987	987	987	987	987	987	986	986	985	984	983	983	982	982	981	980	979	979	978	978	979	979	980	980	980	981	981	981	982	982	982	983	983	984	984	985	985	986	986	986	986	986	986	986	986	986	987	987	988	988	988	988	987	987	986	985	985	984	983	982	981	979	978	976	975	974	973	973	972	972	972	972	971	971	970	970	970	970	969	969	969	969	969	970	970	970	971	971	971	971	971	971	972	972	972	973	973	974	974	974	974	974	974	974	974	974	973	972	972	971	971	972	972	973	973	973	974	974	975	975	975	975	976	977	977	977	978	979	979	980	981	982	982	983	984	985	986	987	987	988	989	989	990	990	991	991	992	992	993	993	-	-	-	-	-	-	-	-	-	-	-
6.6	7	2.9	3.8	6.7	2.4	8.8	5	9.3	9.4	14.7	8.9	2.7	9.8	9.2	7.9	6.2	7.1	4.8	7	5.6	36.7	6.9	7	34.5	5.4	13.5	35.2	31.5	27.4	26.3	22.4	37.8	40.2	42.5	37.1	19.1	31.6	33.6	29.8	9.6	29.1	31.8	25.8	36.5	35.2	32.8	26	24.5	20.7	16.5	17.3	18	17	17.1	17.2	19.8	22.3	24.9	22.6	20.4	18.1	13.8	9.6	5.3	5.1	5	4.8	4.2	3.6	2.9	4.9	6.9	8.9	7.4	5.8	4.2	4	3.8	3.6	3.6	3.6	3.6	3.3	3.1	2.9	3.6	4.4	5.2	4.8	4.5	4.2	4.5	4.8	5.1	5.3	5.4	5.5	6.5	7.5	8.5	7.6	6.6	5.7	9.2	12.6	16.1	17.3	18.4	19.6	14.6	9.5	4.4	4.1	3.7	3.4	7.9	12.4	17	13.6	10.3	7	6.8	6.5	6.3	6.1	5.9	5.8	5.1	4.4	3.8	6.4	9	11.6	14.2	16.8	19.4	19.3	19.3	19.3	19.3	19.3	19.2	19.7	20.2	20.7	21.2	21.6	22.1	19.9	17.6	15.4	13.1	10.9	8.6	-	-	-	-	-	-	-	-	-	-	-
-	-	-	-	-	-	0.2	0.3	0.6	1	0.7	0.5	0.4	0.2	0.2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0.3	0.8	1.7	1.4	2.8	2.4	1.5	1.1	0.3	0.2	-	-	-	-	-	-	-	-	-	-	-	-	-	0.6	1.2	1.7	2.1	2.2	2.1	2.1	1.8	1.5	1.1	0.6	0.2	-	-	-	-	-	-	-	-	-	-	-	-	0.4	0.8	1.2	1.4	1.6	1.7	1.6	1.5	1.2	0.9	0.6	0.2	-	-	-	-	-	-	-	-	-	-	-	-	0.5	0.9	1.3	1.8	2.2	2.3	2.2	1.9	1.5	1.1	0.6	0.2	-	-	-	-	-	-	-	-	-	-	-	-	0.5	1	1.4	1.6	1.8	1.8	2	1.8	1.6	1.2	0.7	0.2	-	-	-	-	-	-	-	-	-	-	-	-	0.7	1.3	1.8	2	2	1.9	3.3	3	2.4	1.7	1	0.2	-	-	-	-	-
0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	60	20	200	220	30	50	40	40	70	100	140	90	210	580	390	180	70	30	30	20	20	30	20	20	10	18	0	0	0	0	0	10	10	20	30	50	60	70	70	70	50	30	10	0	0	0	0	0	0	20	50	60	50	30	20	20	20	30	40	60	70	70	60	50	40	40	30	30	20	20	20	20	20	20	20	20	10	0	0	10	20	30	40	60	60	50	30	20	10	0	0	0	0	0	10	20	30	30	20	20	10	10	10	20	40	60	70	90	100	110	110	110	110	110	100	90	80	60	50	30	20	10	10	0	0	0	0	0	10	20	30	30	40	-	-	-	-	-	-	-	-	-	-	-
6.7	6.1	6.5	6.2	7.2	6.7	6.9	6.8	7.0	7.4	8.7	6.1	5.3	5.9	5.6	5.1	5.0	4.8	3.8	3.6	5.1	6.2	6.5	2.5	0.3	4.4	2.9	3.9	4.3	5.0	5.2	4.1	6.0	5.1	4.6	5.3	3.7	2.8	3.6	3.8	5.1	5.9	5.2	5.9	7.0	7.0	7.1	6.7	6.6	6.7	8.0	7.9	7.9	7.3	7.0	6.7	5.3	5.2	5.0	4.5	4.2	4.0	4.3	4.7	4.9	4.3	3.7	3.3	2.1	2.1	2.1	2.9	4.3	4.4	4.9	3.6	3.5	3.1	3.0	2.8	2.3	1.9	1.7	1.4	1.3	1.3	1.5	1.6	1.8	2.4	2.7	2.8	2.8	2.4	2.1	2.0	1.9	1.9	2.3	2.7	3.0	3.1	3.2	3.3	3.3	3.3	3.4	3.6	3.6	3.8	3.8	4.2	4.4	4.1	4.0	3.9	3.6	3.0	2.7	3.2	3.8	4.2	4.5	4.8	6.2	4.7	4.3	4.1	4.5	4.3	4.2	4.3	4.3	4.3	4.2	4.2	5.4	5.6	5.5	5.5	5.4	5.4	5.5	5.7	6.0	6.4	6.7	7.0	7.1	7.1	6.9	6.7	6.5	5.1	5.0	8.8	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0	10.0

Day average: 6.2/10

Best window: 11:00-14:00 · Avg 7.7

What this shows

The selected day from 06:00 to 21:00, scored from 0-10. The top line gives the day average and strongest window; the bars show how conditions rise and fall through that activity window. WeatherDuck score — Wind up to 5 mph (matters a lot) · Rain none at all (matters a fair bit) · Sky At least Mostly cloudy (matters a fair bit).

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WeatherDuck score

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These factors shape your score — set a comfy range for each, and how much it matters. Add more from the tray, or remove ones you don't care about. The bars update instantly.

Wind

Comfy range up to 5 mph

How much it matters

matters a lot

Rain

Comfy range none at all

How much it matters

matters a fair bit

Sky

Comfy range At least Mostly cloudy

How much it matters

matters a fair bit

Temperature

Comfy range 0 – 25°C

How much it matters

matters a fair bit

Time of day

Comfy range any time of day

How much it matters

matters a fair bit

Comfy range any UV level

How much it matters

matters a fair bit

Wind direction

Comfy range any direction

How much it matters

matters a fair bit

Visibility

Comfy range at least 5 km

How much it matters

matters a fair bit

Not counted — tap to add

A notably wet day

16° / 12° · Today · Mon 14

Persistent rain most likely in morning, midday, and afternoon / evening. South-southeasterly winds averaging around 6 mph with peaks near 9 mph, gusting to 20 mph. Temperatures range from 12C to 16C, trending warmer later with largely cloudy skies.

14.1 mm

Rain total

9 mph SSE

Wind max

gusts 20 mph

UV max

peak 12:00

Low

Pollen

Air quality

Fair

Very low

Thunder

CAPE 0

Atmosphere

Cloud avg 99%

Freezing level 3,130 mup to 3,650 m

Fog risk Low

Sun & Moon

06:47 / 19:39

Sun ↑↓

12 h 51 m

Daylight

11:19 / 20:00

Moon ↑↓

Waxing Crescent

Moon phase

6% lit

Live rain radar

LIVE

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Radar data by RainViewer

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Rain gauges and totals stay free for everyone

Layer	Item	Material	Why
Base	Moisture-wicking top	Merino wool or synthetic; avoid cotton	Sweat management in rain
Mid	Light fleece	Micro-fleece or lightweight synthetic; not down (rain forecast)	15°C with mild, windy insulation
Outer	Waterproof jacket	Breathable membrane (Gore-Tex etc.), hood	Heavy rain + 20 mph gusts
Lower	Waterproof trousers	Over existing trousers, breathable	Heavy rain forecast
Feet	Waterproof boots	Ankle support, membrane lining	Heavy rain means paths will be wet
Extras	Hat, gloves, gaiters	Pack spare mid-layer, buff/neck gaiter	Cool on ridges, so extra warmth will be useful

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Essential Recommended Guidance

Guidance based on the forecast, not professional safety advice. Always use your own judgement. BMC layering guide →

Inversion Outlook Loch Lomond, Trossachs & Argyll region

Unlikely

Monday morning BEST

No clear window yet.

MON MORNING

No clear window

Unlikely

MON AFTERNOON

No clear window

Unlikely

TUE MORNING

No clear window

Unlikely

Tap a period for detail

Key Factors

Temperature lid

Valley moisture

100%

Layer contrast

Summit clarity

Wind speed

11%

Duration

No temperature inversion detected

Valley air moist enough

No moisture contrast, diffuse profile

Saturated above, no clear cap

Too windy, mixing likely

No sustained favourable window

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Tyndrum Very likely

A Very likely inversion is about 28 km from your chosen location — tomorrow, best window 6–9am.

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Cloud Inversion Heatmap

Atmospheric Profile · Tyndrum · 237 m

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Surface Pressure

Humidity at Pressure Levels

Higher humidity means the air is closer to saturation.

Temperature at Pressure Levels

Warmer air above cooler air can indicate an inversion.

All heights shown equally.

Golden Hour

Today

DARKNESS

DAYLIGHT

06:02

06:27

06:47 Sunrise

07:07

07:32

Golden Hour · 40 min

Be at your summit by 06:27

Allow time to set up before the light show begins.

Monthly Inversion Chance

Illustrative relative chance by season

Illustrative — typical UK pattern

~2 proper inversion days per year. Mostly late autumn to spring.

Cloud inversions explained

What is a cloud inversion near Tyndrum, Stirling?

A cloud inversion happens when cool, moist air becomes trapped in valleys beneath warmer air above. If the trapped moisture turns into fog or low cloud, the hills can rise through it into clearer air and sunshine. From a summit, the result can look like a wide sea of cloud with only the higher peaks visible.

The best chance near Tyndrum, Stirling is a calm, settled night with moist valley air, a warm lid above and clearer, drier air over the tops. The bands on this page, from Unlikely to Very likely, describe the strength of that overall signal rather than a percentage promise, so always check timing, estimated cloud height and wind before setting off.

How to read this page. The headline outlook covers the surrounding region. Key Factors and the Atmospheric Profile describe the nearest available atmospheric profile.

Read the full UK cloud inversion guide See how WeatherDuck forecasts inversions

Common questions

When are cloud inversions most likely near Tyndrum?

Late October to early March, most often in the hours around dawn. They need a long, calm, clear night so cold air can pool in the valleys, which is why they are rare in summer.

How high do you need to climb to get above the cloud?

It depends on the cloud top, which most often sits between 200m and 800m. This page estimates the cloud top for each night, so check it against the height of the summit you have in mind.

How far ahead can a cloud inversion be forecast?

The signal usually firms up inside 48 hours. Beyond that the outlook tells you whether the pattern looks favourable rather than giving a firm call.

Does a Likely band mean an inversion is guaranteed?

No. The bands describe how strongly the ingredients line up, not a percentage chance, so always check the timing, estimated cloud height and wind before setting off.

Tonight's Stargazing

Very poor conditions Skies look closed in — best to wait it out.

Moon Waxing Crescent 11%

Cloud Cover Overcast 96%

Moon Times Rise 11:19 · Set 20:00

Sky Clarity 15 km Clear

Lunar Day Day 3.1

Light Pollution View map ↓

Tonight's Aurora

Aurora & Solar Wind NOAA

4.7 Planetary Kp Low

Wind Speed 336 km/s

Bz -4.4 nT

Density 3.5 p/cm³

Bt 7.5 nT

No significant aurora activity expected tonight.

Nightly Outlook

Tonight · 14 Sep

Waxing Crescent · 11% illuminated

4/100

No good window tonight 95% cloud cover all night

Moon height above horizon Daylight

18:00–10:00 next morning

Moonset 20:00 Sunset 19:39Sunrise 06:49

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	100%	Above horizon
19:00	100%	Above horizon
20:00	100%	Below horizon
21:00	98%	Below horizon
22:00	93%	Below horizon
23:00	91%	Below horizon
00:00	81%	Below horizon
01:00	94%	Below horizon
02:00	100%	Below horizon
03:00	100%	Below horizon
04:00	100%	Below horizon
05:00	100%	Below horizon
06:00	99%	Below horizon
07:00	97%	Below horizon
08:00	97%	Below horizon
09:00	99%	Below horizon

Highest moon 11° at 18:00 Lunar day 3.1

Tue · 15 Sep

Waxing Crescent · 18% illuminated

18/100

Best window 05:06–06:06 Lower cloud and a low or hidden moon.

Moon height above horizon DaylightGreen = best stargazing hours

18:00–10:00 next morning

Moonset 20:12 Sunset 19:36Sunrise 06:51

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	98%	Above horizon
19:00	99%	Above horizon
20:00	96%	Above horizon
21:00	89%	Below horizon
22:00	87%	Below horizon
23:00	72%	Below horizon
00:00	83%	Below horizon
01:00	86%	Below horizon
02:00	93%	Below horizon
03:00	91%	Below horizon
04:00	86%	Below horizon
05:00	66%	Below horizon
06:00	36%	Below horizon
07:00	28%	Below horizon
08:00	66%	Below horizon
09:00	80%	Below horizon

Highest moon 10° at 18:00 Lunar day 4.1

Wed · 16 Sep

Waxing Crescent · 27% illuminated

11/100

No good window tonight 86% cloud cover all night

Moon height above horizon Daylight

18:00–10:00 next morning

Moonset 20:30 Sunset 19:34Sunrise 06:53

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	100%	Above horizon
19:00	100%	Above horizon
20:00	100%	Above horizon
21:00	100%	Below horizon
22:00	100%	Below horizon
23:00	100%	Below horizon
00:00	100%	Below horizon
01:00	97%	Below horizon
02:00	85%	Below horizon
03:00	70%	Below horizon
04:00	63%	Below horizon
05:00	70%	Below horizon
06:00	85%	Below horizon
07:00	97%	Below horizon
08:00	100%	Below horizon
09:00	100%	Below horizon

Highest moon 8° at 18:00 Lunar day 5.1

Thu · 17 Sep

Waxing Crescent · 37% illuminated

2/100

No good window tonight 99% cloud cover all night

Moon height above horizon Daylight

18:00–10:00 next morning

Moonset 21:01 Sunset 19:31Sunrise 06:55

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	96%	Above horizon
19:00	95%	Above horizon
20:00	96%	Above horizon
21:00	98%	Below horizon
22:00	100%	Below horizon
23:00	100%	Below horizon
00:00	100%	Below horizon
01:00	100%	Below horizon
02:00	100%	Below horizon
03:00	100%	Below horizon
04:00	99%	Below horizon
05:00	96%	Below horizon
06:00	92%	Below horizon
07:00	90%	Below horizon
08:00	92%	Below horizon
09:00	95%	Below horizon

Highest moon 6° at 18:20 Lunar day 6.1

Fri · 18 Sep

First Quarter · 47% illuminated

3/100

No good window tonight 97% cloud cover all night

Moon height above horizon Daylight

18:00–10:00 next morning

Moonset 21:43 Sunset 19:28Sunrise 06:57

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	100%	Above horizon
19:00	100%	Above horizon
20:00	100%	Above horizon
21:00	100%	Above horizon
22:00	100%	Below horizon
23:00	100%	Below horizon
00:00	100%	Below horizon
01:00	100%	Below horizon
02:00	98%	Below horizon
03:00	95%	Below horizon
04:00	92%	Below horizon
05:00	89%	Below horizon
06:00	86%	Below horizon
07:00	85%	Below horizon
08:00	88%	Below horizon
09:00	91%	Below horizon

Highest moon 6° at 19:00 Lunar day 7.1

Sat · 19 Sep

First Quarter · 58% illuminated

55/100

Best window 20:56–05:56 Lower cloud and a low or hidden moon.

Moon height above horizon DaylightGreen = best stargazing hours

18:00–10:00 next morning

Moonset 22:45 Sunset 19:26Sunrise 06:59

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	84%	Above horizon
19:00	79%	Above horizon
20:00	70%	Above horizon
21:00	58%	Above horizon
22:00	45%	Above horizon
23:00	32%	Below horizon
00:00	22%	Below horizon
01:00	15%	Below horizon
02:00	11%	Below horizon
03:00	11%	Below horizon
04:00	12%	Below horizon
05:00	15%	Below horizon
06:00	20%	Below horizon
07:00	28%	Below horizon
08:00	38%	Below horizon
09:00	45%	Below horizon

Highest moon 6° at 20:00 Lunar day 8.1

Sun · 20 Sep

Waxing Gibbous · 68% illuminated

0/100

Best window 20:53–00:53 Lower cloud and a low or hidden moon.

Moon height above horizon DaylightGreen = best stargazing hours

18:00–10:00 next morning

Moonset 00:00 Sunset 19:23Sunrise 05:23

Every hour in detail

Hours after midnight are the following morning.
Hour	Cloud cover	Moon
18:00	50%	Above horizon
19:00	50%	Above horizon
20:00	50%	Above horizon
21:00	50%	Above horizon
22:00	50%	Above horizon
23:00	50%	Above horizon
00:00	50%	Below horizon
01:00	—	Below horizon
02:00	—	Below horizon
03:00	—	Below horizon
04:00	—	Below horizon
05:00	—	Below horizon
06:00	—	Below horizon
07:00	—	Below horizon
08:00	—	Below horizon
09:00	—	Below horizon

Highest moon 8° at 20:40 Lunar day 9.1

Aurora Kp · 3-Day Forecast

NOAA SWPC · 3-hourly

Higher Kp = stronger geomagnetic activity = better aurora chances. For UK observers, Kp 4+ means aurora is possible from N. Scotland; Kp 5+ brings it across the whole UK.

Today

Mon 14 Sep

Unsettled

Peak Kp 3.7 at 03:00 UTC

Slightly unsettled — minor activity, no aurora expected.

9630

3.7 · 03:00

0003060912151821

Tomorrow

Tue 15 Sep

Unsettled

Peak Kp 3.7 at 03:00 UTC

Slightly unsettled — minor activity, no aurora expected.

9630

3.7 · 03:00

0003060912151821

Wed 16

Wed 16 Sep

Unsettled

Peak Kp 4.7 at 21:00 UTC

Faint aurora possible from N. Scotland.

9630

4.7 · 21:00

0003060912151821

Aurora Forecast Map

Global — OVATION Model

UK Focus

Your Night Sky

Meteor Showers

Coming up this year

Orionids Oct 21

Oct 2 – Nov 7

Fast, with persistent trains.

Leonids Nov 17

Nov 6 – Nov 30

Occasional storms. Fast, bright.

Geminids Dec 14

Dec 4 – Dec 20

Best of the year. Bright, multi-coloured.

Earlier this year

Quadrantids Jan 4

Jan 1 – Jan 6

Strong, short-lived peak. Bright fireballs.

Lyrids Apr 22

Apr 16 – Apr 25

Sparse, sometimes glowing trails.

Eta Aquariids May 6

Apr 19 – May 28

Best before dawn. Fast meteors.

Delta Aquariids Jul 30

Jul 12 – Aug 23

Steady rates, faint. Best late night.

Perseids Aug 12

Jul 17 – Aug 24

Bright, reliable. Best summer shower.

Light Pollution Map

Understanding the stargazing score

The stargazing score combines cloud cover and moon illumination to estimate how good conditions are for observing the night sky. Cloud cover is the dominant factor — even the darkest location is useless under heavy cloud.

The Bortle scale measures light pollution from 1 (pristine dark sky) to 9 (inner-city sky). In the UK, the best accessible sites reach Bortle 2 to 3, found in areas like Northumberland International Dark Sky Park, parts of the Lake District, Snowdonia, the Brecon Beacons, and the Scottish Highlands. At Bortle 3, the Milky Way is clearly visible and dozens of deep-sky objects are observable with binoculars.

Moon phase matters: A new moon (0% illumination) provides the darkest sky. A full moon floods the sky with light, washing out everything except planets and the brightest stars. The best stargazing combines a new or thin crescent moon with clear skies.

Practical tips: Give your eyes 20 to 30 minutes to dark-adapt after arriving at your spot. Avoid looking at phone screens (use a red-light torch instead). The hours after midnight are often best, as the atmosphere settles and any remaining cloud may clear.

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Your local ground report

SaturatedBone dry

Local ground dryness
Moisture below the surface
Recent conditions and what’s ahead

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Weather data by Open-Meteo.com (UK Met Office Seamless)
Rainfall observations: Environment Agency, SEPA and Natural Resources Wales
Data sources & licences

Where are you heading?

Tyndrum, Stirling

A notably wet day

A notably wet day

Overcast

A notably wet day

Light drizzle

Light drizzle

Mostly dry, bright and usable

Humidity at Pressure Levels

Temperature at Pressure Levels

Cloud inversions explained

What is a cloud inversion near Tyndrum, Stirling?

Nightly Outlook

Tonight · 14 Sep

Tue · 15 Sep

Wed · 16 Sep

Thu · 17 Sep

Fri · 18 Sep

Sat · 19 Sep

Sun · 20 Sep

Aurora Kp · 3-Day Forecast

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Dry paths or muddy boots?

Your local ground report

Rainfall & rain gauges Nearby observations

Rainfall over the last 7 days

Nearby rain gauges

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Popular locations in this area