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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Sunday

Light Rain

11°C 52°F 11°C 52°F South Westerly
37km/h 23mph
Monday

Heavy Rain

11°C 52°F 10°C 50°F South Westerly
42km/h 26mph
Tuesday

Heavy Rain

11°C 52°F 6°C 43°F South Westerly
37km/h 23mph
Wednesday

Sunny Intervals

8°C 46°F 5°C 41°F Westerly
27km/h 17mph
Thursday

Sunny Intervals

8°C 46°F 3°C 37°F North Westerly
21km/h 13mph

IN ASSOCIATION WITH

Forecast

Sunrise 08:27 Sunset 16:02

Last updated 04:05

Weather forecast details for Sunday 21 December. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0500 hours0600 hours0700 hours0800 hours0900 hours1000 hours1100 hours1200 hours1300 hours1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Mon
0100 hours0200 hours0300 hours0400 hours
Weather Conditions Thick Cloud Light Cloud Thick Cloud Light Rain Light Rain Thick Cloud Thick Cloud Light Rain Thick Cloud Light Rain Light Rain Thick Cloud Thick Cloud Light Rain Light Rain Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud
Temperature (°C/°F) 9°C 48°F 9°C 48°F 10°C 50°F 10°C 50°F 10°C 50°F 10°C 50°F 10°C 50°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F 11°C 52°F
Wind Speed (mph/km/h) 32km/h 20mph South Westerly 31km/h 19mph West South Westerly 35km/h 22mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 35km/h 22mph South Westerly 35km/h 22mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 35km/h 22mph South Westerly 35km/h 22mph South Westerly 34km/h 21mph South Westerly 34km/h 21mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 37km/h 23mph South Westerly 39km/h 24mph South Westerly 40km/h 25mph South Westerly 40km/h 25mph South Westerly 40km/h 25mph South Westerly 43km/h 27mph South Westerly 43km/h 27mph South Westerly
Wind Direction SW WSW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Humidity 85% 89% 91% 93% 94% 94% 94% 95% 95% 95% 96% 95% 94% 96% 97% 96% 96% 96% 95% 95% 94% 93% 92% 93%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG VG G G VG VG VG G G G VG VG G G G VG G G VG VG VG VG G
Pressure (Millibars) 1026 1025 1024 1024 1023 1023 1023 1022 1021 1020 1020 1019 1018 1018 1017 1017 1016 1016 1015 1015 1015 1014 1014 1013

Wales

Forecast Summary

  • Today

    Cloudy and mild with patchy rain. The rain will be mainly in the west where it could be persistent, and heavy at times, over the hills. Winds becoming strong, especially around coasts and hills.

  • Tonight

    Remaining mild by windy with local coastal gales likely. Patchy rain will become increasingly persistent, and heavy at times, particularly over the hills in the north and west.

Environmental Summary

UV: 1

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Met Office Warnings Issued For: Gwynedd

  1. Yellow early warning of rain

    From:
    0900 on Tue 23 December
    To:
    2300 on Tue 23 December
    Updated 20 December at 13:58

    Alert

    Heavy rain will affect North Wales on Tuesday. Given high river levels from recent heavy rain, the public should be aware of the risk of further flooding, for example affecting some roads.

A list of all UK Warnings can be found on our More UK Weather page.

Weather Warnings Key

  • Red: Take action
  • Amber: Be prepared
  • Yellow: Be aware

Issued by the Met Office

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:06, Friday 19 Dec Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:08, Saturday 20 Dec

Observations

Observed at 03:00, Sunday 21 December

Not Available

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-- --

Humidity: Not Available

Visibility: N/A

Pressure: Not Available

Observation station: Capel Curig

(Lat: 53.1 | Lon: -3.933)

BBC Weather in association with the Met Office

All times are GMT (Europe/London, GMT+0000) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details