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

Light Rain Shower

16°C 61°F 12°C 54°F West South Westerly
Wind Speed 34 km/h 21 mph
Monday

Heavy Rain

15°C 59°F 14°C 57°F Southerly
Wind Speed 23 km/h 14 mph
Tuesday

Light Cloud

18°C 64°F 13°C 55°F West South Westerly
Wind Speed 19 km/h 12 mph
Wednesday

Light Cloud

18°C 64°F 15°C 59°F West South Westerly
Wind Speed 23 km/h 14 mph
Thursday

Light Cloud

17°C 63°F 12°C 54°F West South Westerly
Wind Speed 26 km/h 16 mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:05 Sunset 19:03

Last updated 13:10

Weather forecast details for Sunday 25 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1600 hours1900 hours2200 hours0100 hours
Mon
0400 hours   
Weather Conditions Light Rain Shower Partly Cloudy Light Cloud Light Cloud Light Rain    
Temperature (°C/°F) 16°C 61°F 15°C 59°F 13°C 55°F 13°C 55°F 13°C 55°F    
Wind Speed (mph/km/h) Wind Speed 26 km/h 16 mph Westerly Wind Speed 23 km/h 14 mph West South Westerly Wind Speed 18 km/h 11 mph West South Westerly Wind Speed 16 km/h 10 mph South Westerly Wind Speed 13 km/h 8 mph South South Westerly    
Wind Direction W WSW WSW SW SSW    
Humidity 63% 67% 73% 77% 83%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGVGVGVGVG   
Pressure (Millibars) 1017 1019 1020 1020 1020    

Wales

Forecast Summary

  • Today

    It'll be a bright start with plenty of sunshine, however, blustery showers will soon develop and spread eastwards through the day. These will turn heavy in places, with the risk of thunder towards the west. Feeling remarkably cooler than yesterday.

  • Tonight

    It will remain breezy overnight with further blustery showers, although it will be drier towards the east. By dawn, outbreaks of rain are likely to spread in from the south-west.

Environmental Summary

UV: 3

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Met Office Warnings Issued For: Vale of Glamorgan

  1. Yellow warning of rain

    From:
    1000 on Mon 26 September
    To:
    2200 on Mon 26 September
    Updated 25 September at 10:34

    Warning

    Outbreaks of heavy rain will affect parts of south Wales at times on Monday. Please be aware that this may lead to standing water and spray on roads, making for tricky travel conditions.

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

Average Conditions

BBC Weather's average conditions for London, United Kingdom. This includes readings of average sunlight, temperature, discomfort from heat and humidity, relative humidity, average Precipitation, and wet days.
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Minimum Temperature (°C) 2 2 3 5 8 11 12 13 11 8 5 3
Average Minimum Temperature (°F) 35 35 38 41 46 51 54 55 51 46 41 37
Average Maximum Temperature (°C) 7 7 10 13 16 19 20 21 18 14 10 8
Average Maximum Temperature (°F) 45 45 50 56 61 68 69 69 64 58 51 46
Record Minimum Temperature (°C) -17 -9 -8 -3 -1 4 7 6 2 -3 -3 -7
Record Minimum Temperature (°F) 2 15 18 27 31 39 44 43 35 26 26 19
Record Maximum Temperature (°C) 15 16 20 24 29 31 31 33 28 25 18 15
Record Maximum Temperature (°F) 59 61 68 75 84 87 88 91 83 77 65 59
Average Precipitation (mm) 108 72 63 65 76 63 89 97 99 109 116 108
Average Precipitation (inches) 4.3 2.8 2.5 2.6 3.0 2.5 3.5 3.8 3.9 4.3 4.7 4.3
Average Sunlight Hours 2 3 4 5 6 7 6 6 5 3 2 2
Wet Days (+0.1 mm) 18 14 13 13 13 13 14 15 16 16 17 18
Relative Humidity AM 89 87 82 74 74 73 76 78 81 85 88 89
Relative Humidity PM -- -- -- -- -- -- -- -- -- -- -- --
Discomfort From Heat And Humidity -- -- -- -- -- -- -- -- -- -- -- --

Average Conditions data © Copyright RM, 2011. All rights reserved. Helicon Publishing is a division of RM.

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BBC Wales Today

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Last updated 15:16 BST, Friday 23 SepForecast updated Monday to Friday only

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Last updated 12:02 BST, Sunday 25 Sep

Observations

Observed at 12:00, Sunday 25 September

Light Cloud

16°C 61°F

Wind Speed 34 km/h 21 mph Westerly

Humidity: 67%

Visibility: Very Good

Pressure: 1015mb, Rising

Observation station: St. Athan

(Lat: 51.4 | Lon: -3.433)

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