Cadair Idris (Gwynedd) weather

Find a forecast

Forecast days

Today

Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -1° Celsius;

Sunrise: 07:52

Sunset: 17:08

Amber weather warning.

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

Today

Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -1° Celsius;
Fri 6 Feb

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunrise: 07:50

Sunset: 17:10

Amber weather warning.

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

Fri 6 Feb

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius;
Sat 7 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 1° Celsius;

Sunrise: 07:48

Sunset: 17:12

Amber weather warning.

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

Sat 7 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 1° Celsius;
Sun 8 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunrise: 07:46

Sunset: 17:14

Amber weather warning.

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

Sun 8 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: 0° Celsius;
Mon 9 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -2° Celsius;

Sunrise: 07:44

Sunset: 17:16

Fog changing to light rain by nighttime.

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

Mon 9 Feb

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -2° Celsius;
Tue 10 Feb

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 2° Celsius;

Sunrise: 07:42

Sunset: 17:18

Fog changing to light rain by lunchtime.

L UV

No pollution data.

No pollen data.

Tue 10 Feb

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 2° Celsius;
Wed 11 Feb

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 1° Celsius;

Sunrise: 07:41

Sunset: 17:20

Light rain.

L UV

No pollution data.

No pollen data.

Wed 11 Feb

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 1° Celsius;

Amber weather warning.

Sunrise: 07:52

Sunset: 17:08

L UV

L Pollution

No pollen data.

Eryri / Snowdonia (Mountain region)

7 day forecast for Cadair Idris

Today (5 February 2026)

Time	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	90%	90%	90%	70%	70%	90%	90%	90%	90%	90%	90%	90%
Temperature (°C)	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°
Feels like temperature (°C)	-10°	-9°	-9°	-9°	-10°	-10°	-11°	-11°	-10°	-10°	-10°	-10°
Wind direction and speed (mph)	E 33	E 32	E 31	E 31	E 32	E 33	E 35	E 35	E 34	E 34	E 33	E 33
Wind gust (mph)	38	36	35	35	35	35	39	39	38	38	37	37
Visibility (description)	M	P	P	P	P	P	P	P	P	P	P	P
Humidity	90%	92%	92%	93%	96%	98%	97%	96%	95%	96%	96%	96%
UV	1	1	1	1	1	1	-	-	-	-	-	-

Friday (6 February 2026)

Time	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
Weather symbols
Chance of precipitation	80%	80%	80%	80%	90%	90%	90%	90%	90%	90%	90%	80%	80%	80%	90%	90%	90%	90%	90%	90%	80%	70%	50%	50%
Temperature (°C)	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	0°	0°	0°	0°	1°	1°	1°	1°	1°	1°	1°	1°	1°	1°	1°	1°
Feels like temperature (°C)	-10°	-10°	-10°	-9°	-9°	-9°	-8°	-8°	-8°	-8°	-7°	-7°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-5°	-5°	-5°	-5°
Wind direction and speed (mph)	E 34	E 33	E 32	E 31	E 30	E 29	E 25	E 25	E 25	E 24	E 24	ESE 24	ESE 26	ESE 25	ESE 23	ESE 23	ESE 22	ESE 21	ESE 20	ESE 20	ESE 19	SE 19	SE 19	SE 19
Wind gust (mph)	37	36	35	34	33	32	25	25	25	25	26	26	29	27	26	25	24	23	22	22	21	21	20	21
Visibility (description)	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	P	M	M	M	M
Humidity	97%	97%	97%	97%	96%	97%	97%	98%	98%	97%	97%	96%	96%	96%	96%	96%	97%	98%	98%	98%	97%	97%	98%	98%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Saturday (7 February 2026)

Time	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
Weather symbols
Chance of precipitation	40%	40%	50%	50%	50%	40%	50%	40%	40%	40%	40%	40%	40%	40%	40%	50%	40%	40%	30%	30%	30%	30%	30%	40%
Temperature (°C)	1°	0°	0°	0°	1°	0°	0°	0°	0°	0°	1°	2°	2°	2°	3°	2°	2°	1°	1°	1°	1°	1°	1°	1°
Feels like temperature (°C)	-5°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-4°	-4°	-3°	-3°	-3°	-3°	-4°	-4°	-5°	-5°	-4°	-4°	-4°
Wind direction and speed (mph)	SE 17	SE 17	ESE 17	ESE 18	ESE 18	ESE 19	ESE 19	ESE 19	ESE 18	ESE 18	ESE 17	ESE 18	SE 20	SE 18	SE 18	SE 17	SE 16	SSE 15	SE 15	SE 16	SE 16	SE 15	SE 15	SE 15
Wind gust (mph)	18	18	19	19	20	20	21	21	20	18	17	19	22	20	20	19	18	17	17	17	17	17	17	17
Visibility (description)	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M	M
Humidity	97%	97%	97%	97%	97%	97%	97%	97%	98%	96%	93%	92%	89%	87%	85%	85%	88%	92%	94%	95%	96%	97%	97%	97%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Sunday (8 February 2026)

Time	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
Weather symbols
Chance of precipitation	30%	30%	30%	40%	40%	40%	40%	30%	30%	30%	30%	30%	30%	30%	40%	40%	40%	40%	30%	30%	40%	40%	40%	40%
Temperature (°C)	1°	1°	1°	1°	1°	1°	1°	1°	1°	1°	2°	2°	3°	3°	3°	3°	2°	2°	1°	1°	1°	1°	1°	1°
Feels like temperature (°C)	-4°	-4°	-4°	-4°	-4°	-4°	-4°	-5°	-5°	-4°	-4°	-3°	-3°	-3°	-3°	-3°	-3°	-3°	-4°	-4°	-4°	-4°	-4°	-4°
Wind direction and speed (mph)	SSE 13	SSE 13	S 13	SSE 13	S 13	S 13	S 12	S 13	S 14	S 14	S 14	S 15	S 15	SSW 18	SSW 18	SSW 16	SSW 15	S 14	SSE 14	SSE 15	SSE 15	SSE 15	SSE 15	SSE 15
Wind gust (mph)	14	14	14	14	14	14	14	13	15	16	16	16	17	20	19	18	17	16	16	16	17	17	17	17
Visibility (description)	M	M	M	M	P	M	M	M	M	M	M	M	M	M	M	M	G	M	M	M	M	M	M	M
Humidity	97%	97%	97%	97%	98%	97%	98%	98%	98%	97%	93%	89%	87%	85%	85%	84%	86%	91%	93%	95%	95%	95%	96%	96%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Monday (9 February 2026)

Time	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
Weather symbols
Chance of precipitation	40%	40%	30%	30%	30%	30%	40%	30%	30%	30%	30%	30%	30%	30%	30%	40%	40%	40%	40%	40%	50%	50%	50%	60%
Temperature (°C)	1°	1°	1°	1°	1°	1°	1°	0°	0°	0°	1°	2°	2°	2°	3°	3°	3°	2°	1°	1°	1°	1°	1°	1°
Feels like temperature (°C)	-4°	-4°	-5°	-4°	-5°	-5°	-5°	-5°	-5°	-5°	-4°	-4°	-3°	-3°	-3°	-3°	-3°	-4°	-4°	-5°	-5°	-5°	-5°	-5°
Wind direction and speed (mph)	SSE 15	SSE 13	SSE 14	SSE 14	SSE 14	SSE 14	SSE 14	SSE 15	SSE 15	SSE 14	SSE 14	SSE 15	SSE 15	SSE 16	S 17	S 17	SSE 16	SSE 15	SSE 15	SSE 19	SSE 20	SE 20	SE 20	SE 20
Wind gust (mph)	17	15	15	16	16	16	16	16	16	16	16	16	16	18	18	18	17	17	17	21	22	22	21	21
Visibility (description)	M	M	M	M	M	M	M	M	M	M	M	M	G	M	M	M	G	M	M	M	M	M	M	M
Humidity	97%	98%	97%	97%	97%	97%	97%	97%	97%	96%	92%	89%	87%	85%	85%	85%	86%	91%	93%	94%	94%	95%	95%	96%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-

Tuesday (10 February 2026)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	30%	30%	40%	40%	60%	80%	80%	70%
Temperature (°C)	1°	1°	1°	1°	4°	4°	4°	4°
Feels like temperature (°C)	-5°	-6°	-6°	-5°	-3°	-3°	-4°	-4°
Wind direction and speed (mph)	SE 20	SE 20	SE 22	SE 19	SE 28	SSE 38	SSE 37	SSE 39
Wind gust (mph)	21	22	24	24	28	42	41	43
Visibility (description)	M	P	P	P	M	M	P	P
Humidity	96%	96%	96%	94%	87%	90%	94%	95%
UV	-	-	-	1	1	1	-	-

Wednesday (11 February 2026)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	70%	60%	70%	60%	70%	60%	60%	60%
Temperature (°C)	4°	3°	3°	3°	4°	4°	3°	3°
Feels like temperature (°C)	-4°	-3°	-4°	-4°	-3°	-3°	-4°	-4°
Wind direction and speed (mph)	S 35	S 31	S 32	SSW 32	WSW 39	WSW 40	WSW 39	WSW 36
Wind gust (mph)	38	34	35	36	43	44	43	39
Visibility (description)	P	P	P	P	P	M	P	P
Humidity	96%	96%	97%	96%	94%	93%	95%	95%
UV	-	-	-	1	1	1	-	-

News

Wind and rain marking a change in the UK weather

Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.

UK video forecast

Cadair Idris weather map

View the weather with our interactive map

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WARNING

Flood alerts in force for Wales

Natural Resources Wales

Wales weather forecast

Headline:

Cloudy with further rain.

Today:

A dull, cloudy morning with outbreaks of rain across much of the country, falling as snow over the mountains. Rain turning more showery for a time through the afternoon. Windy and feeling colder than Wednesday. Maximum temperature 9 °C.

Tonight:

Remaining unsettled into the evening and overnight with further bouts of rain, heavy at times especially over the hills. Winds easing a touch, and staying frost-free. Minimum temperature 3 °C.

Friday:

Friday looks rather cloudy and damp overall, with rain on and off throughout much of the day, turning heavy at times. Not as windy as on Thursday, though still breezy. Maximum temperature 9 °C.

Outlook for Saturday to Monday:

Mostly dry initially on Saturday, though showery rain arriving and turning locally heavy. Some rain on Sunday and possibly Monday, but somewhat drier with occasional brighter interludes. Temperatures around average.

Updated: 04:00 (UTC) on Thu 5 Feb 2026

Cadair Idris (Gwynedd) weather

Find a forecast

Forecast days

Today

Today

Fri 6 Feb

Fri 6 Feb

Sat 7 Feb

Sat 7 Feb

Sun 8 Feb

Sun 8 Feb

Mon 9 Feb

Mon 9 Feb

Tue 10 Feb

Tue 10 Feb

Wed 11 Feb

Wed 11 Feb

7 day forecast for Cadair Idris

Tooltip header

Wind and rain marking a change in the UK weather

UK video forecast

Wales weather forecast

Headline:

Today:

Tonight:

Friday:

Outlook for Saturday to Monday:

Nearest forecasts

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Freezing rain

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Cadair Idris (Gwynedd) weather

Find a forecast

Forecast days

Today

Today

Fri 6 Feb

Fri 6 Feb

Sat 7 Feb

Sat 7 Feb

Sun 8 Feb

Sun 8 Feb

Mon 9 Feb

Mon 9 Feb

Tue 10 Feb

Tue 10 Feb

Wed 11 Feb

Wed 11 Feb

7 day forecast for Cadair Idris

Wind and rain marking a change in the UK weather

UK video forecast

Wales weather forecast

Thursday 5 Feb - Monday 9 Feb

Headline:

Today:

Tonight:

Friday:

Outlook for Saturday to Monday:

Nearest forecasts

More from the Met Office

Causes of climate change

When is hay fever season in the UK?

Make a rainbow DIY activity

Freezing rain

4 tips for staying safe in ice

3 tips for staying safe in lightning