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

Light Rain

12°C 54°F 6°C 43°F South Westerly
45km/h 28mph
Friday

Light Cloud

8°C 46°F 7°C 45°F West South Westerly
29km/h 18mph
Saturday

Sunny Intervals

9°C 48°F 7°C 45°F Westerly
34km/h 21mph
Sunday

Light Rain

11°C 52°F 11°C 52°F South Westerly
34km/h 21mph
Monday

Light Rain

11°C 52°F 9°C 48°F South Westerly
42km/h 26mph

IN ASSOCIATION WITH

Forecast

Sunrise 08:25 Sunset 16:01

Last updated 05:08

Weather forecast details for Thursday 18 December. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0600 hours0700 hours0800 hours0900 hours1000 hours1100 hours1200 hours1300 hours1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Fri
0100 hours0200 hours0300 hours0400 hours0500 hours
Weather Conditions Light Rain Thick Cloud Thick Cloud Thick Cloud Thick Cloud Light Rain Light Rain Heavy Rain Thick Cloud Thick Cloud Thick Cloud Thick Cloud Thick Cloud Heavy Rain Heavy Rain Heavy Rain Light Rain Light Cloud Light Cloud Light Cloud Light Cloud Partly Cloudy Clear Sky Partly Cloudy
Temperature (°C/°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 10°C 50°F 9°C 48°F 9°C 48°F 8°C 46°F 8°C 46°F 8°C 46°F 7°C 45°F 7°C 45°F 6°C 43°F
Wind Speed (mph/km/h) 40km/h 25mph South Westerly 40km/h 25mph South Westerly 39km/h 24mph South Westerly 42km/h 26mph South Westerly 43km/h 27mph South Westerly 45km/h 28mph South Westerly 45km/h 28mph South Westerly 43km/h 27mph South Westerly 40km/h 25mph South Westerly 39km/h 24mph West South Westerly 37km/h 23mph West South Westerly 34km/h 21mph South Westerly 34km/h 21mph South Westerly 32km/h 20mph West South Westerly 24km/h 15mph Westerly 21km/h 13mph Westerly 18km/h 11mph West North Westerly 19km/h 12mph Westerly 19km/h 12mph West North Westerly 21km/h 13mph West North Westerly 19km/h 12mph West North Westerly 21km/h 13mph Westerly 19km/h 12mph Westerly 21km/h 13mph Westerly
Wind Direction SW SW SW SW SW SW SW SW SW WSW WSW SW SW WSW W W WNW W WNW WNW WNW W W W
Humidity 97% 96% 95% 94% 94% 94% 95% 94% 94% 95% 95% 96% 96% 96% 92% 91% 89% 87% 83% 81% 82% 77% 78% 78%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G VG VG VG VG G G VG VG VG VG VG G M VG M VG VG VG VG VG E VG VG
Pressure (Millibars) 1005 1005 1005 1005 1005 1005 1004 1004 1004 1004 1005 1005 1005 1006 1006 1007 1007 1008 1009 1009 1010 1011 1012 1012

Wales

Forecast Summary

  • Today

    A wet and windy day with persistent, and at times heavy rain likely across some of the hills, western slopes in particular. The rain may be more intermittent elsewhere, especially in the east. Strong and gusty westerly winds.

  • Tonight

    Further rain this evening, but cloud and rain will clear southwards overnight, with clearer, colder weather spreading from the north through the early hours. Remaining windy.

Environmental Summary

UV: 1

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Met Office Warnings Issued For: Gwynedd

  1. Yellow warning of rain

    From:
    0005 on Thu 18 December
    To:
    0600 on Fri 19 December
    Updated 17 December at 11:36 Active

    Warning

    Further outbreaks of rain are likely across Wales through Wednesday, but are likely to become heavy and persistent again during Thursday and to persist into the early hours of Friday.

    The public should be aware of the risk of localised flooding.

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 19:11, Wednesday 17 Dec Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:32, Wednesday 17 Dec

Observations

Observed at 05:00, Thursday 18 December

Light Rain

11°C 52°F

58km/h 36mph West South Westerly

Humidity: 94%

Visibility: Poor

Pressure: 1004mb, Falling

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