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

Partly Cloudy

16°C 61°F 9°C 48°F North Westerly
10km/h 6mph
Sunday

Light Cloud

16°C 61°F 13°C 55°F South South Westerly
13km/h 8mph
Monday

Heavy Rain

18°C 64°F 15°C 59°F South Easterly
19km/h 12mph
Tuesday

Light Cloud

19°C 66°F 14°C 57°F East North Easterly
24km/h 15mph
Wednesday

Light Cloud

18°C 64°F 15°C 59°F East South Easterly
21km/h 13mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:11 Sunset 20:20

Last updated 20:29

Weather forecast details for Saturday 23 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Sun
0400 hours     
Weather Conditions Clear Sky Clear Sky Partly Cloudy      
Temperature (°C/°F) 13°C 55°F 11°C 52°F 9°C 48°F      
Wind Speed (mph/km/h) 11km/h 7mph North Westerly 10km/h 6mph North Westerly 6km/h 4mph North North Westerly      
Wind Direction NW NW NNW      
Humidity 65% 76% 84%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG G      
Pressure (Millibars) 1019 1020 1019      

Wales

Forecast Summary

  • This Evening and Tonight

    Temperatures will fall sharply under the influence of clearing skies and light winds through this evening, leading to a grass frost in many rural locations overnight. However, showers may affect the north coast overnight, and also southern coasts by dawn.

Environmental Summary

UV: 5

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

Met Office Warnings Issued For: Vale of Glamorgan

  1. Yellow alert of rain

    From:
    0600 on Mon 25 August
    To:
    2350 on Mon 25 August
    Updated 23 August at 12:43

    Alert

    Heavy rain is expected to affect many southern areas of Britain at times during Bank Holiday Monday, with strong winds a possible additional factor close to southern coasts.

    The public should be aware that there may be some impacts to holiday traffic and other outdoor activities.

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 19:03, Friday 22 Aug Forecast updated Monday to Friday only

UK

UK Forecast Last updated 17:59, Saturday 23 Aug

Observations

Observed at 20:00, Saturday 23 August

Sunny

14°C 57°F

13km/h 8mph North Westerly

Humidity: 63%

Visibility: Excellent

Pressure: 1018mb, Rising

Observation station: St-Athan

(Lat: 51.405 | Lon: -3.44)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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