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

Heavy Rain

18°C 64°F 14°C 57°F West South Westerly
27km/h 17mph
Saturday

Light Cloud

18°C 64°F 12°C 54°F Westerly
24km/h 15mph
Sunday

Light Cloud

19°C 66°F 15°C 59°F West South Westerly
19km/h 12mph
Monday

Light Cloud

19°C 66°F 13°C 55°F Westerly
18km/h 11mph
Tuesday

Light Cloud

19°C 66°F 13°C 55°F East South Easterly
13km/h 8mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:21 Sunset 20:07

Last updated 05:07

Weather forecast details for Friday 29 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0700 hours1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Sat
0400 hours
Weather Conditions Light Rain Shower Light Rain Shower Light Rain Shower Light Rain Light Rain Light Rain Light Rain Shower Partly Cloudy
Temperature (°C/°F) 15°C 59°F 16°C 61°F 17°C 63°F 17°C 63°F 17°C 63°F 16°C 61°F 16°C 61°F 14°C 57°F
Wind Speed (mph/km/h) 24km/h 15mph West South Westerly 29km/h 18mph West South Westerly 27km/h 17mph West South Westerly 29km/h 18mph West South Westerly 27km/h 17mph West South Westerly 29km/h 18mph West South Westerly 26km/h 16mph Westerly 23km/h 14mph Westerly
Wind Direction WSW WSW WSW WSW WSW WSW W W
Humidity 85% 81% 83% 89% 92% 95% 91% 82%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG G G G M VG VG
Pressure (Millibars) 1011 1012 1013 1013 1012 1013 1013 1014

Wales

Forecast Summary

  • Today

    It will be a dry start for many, though rather cloudy. Then increasingly breezy into the afternoon with rain arriving, heaviest and most persistent in the west with hill fog. Driest and brightest in the far east.

  • Tonight

    Rather cloudy at times, especially during the first part of the evening with rain gradually easing and clearing. Clear spells will develop later, with isolated showers overnight. Winds will ease.

Environmental Summary

UV: 3

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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 <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span>
Discomfort From Heat And Humidity <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span>

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

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:11, Thursday 28 Aug Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:52, Thursday 28 Aug

Observations

Observed at 04:00, Friday 29 August

Light Cloud

15°C 59°F

24km/h 15mph West South Westerly

Humidity: 87%

Visibility: Very Good

Pressure: 1011mb, Falling

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