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

Light Rain

12°C 54°F 11°C 52°F Westerly
29km/h 18mph
Thursday

Light Rain

12°C 54°F 7°C 45°F West South Westerly
37km/h 23mph
Friday

Sunny

9°C 48°F 7°C 45°F West North Westerly
24km/h 15mph
Saturday

Sunny

9°C 48°F 7°C 45°F West North Westerly
27km/h 17mph
Sunday

Light Cloud

11°C 52°F 11°C 52°F West South Westerly
26km/h 16mph

IN ASSOCIATION WITH

Forecast

Sunrise 08:14 Sunset 16:05

Last updated 00:13

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 Light Rain Light Rain Light Rain Light Rain Light Rain Light Rain Light Rain Light Rain Light Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Heavy Rain Light Rain Shower Light Rain Partly Cloudy
Temperature (°C/°F) 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 12°C 54°F 11°C 52°F 10°C 50°F 9°C 48°F
Wind Speed (mph/km/h) 31km/h 19mph West South Westerly 32km/h 20mph West South Westerly 32km/h 20mph West South Westerly 34km/h 21mph West South Westerly 35km/h 22mph West South Westerly 37km/h 23mph West South Westerly 37km/h 23mph West South Westerly 37km/h 23mph West South Westerly 37km/h 23mph West South Westerly 37km/h 23mph West South Westerly 35km/h 22mph West South Westerly 35km/h 22mph West South Westerly 34km/h 21mph West South Westerly 32km/h 20mph West South Westerly 32km/h 20mph West South Westerly 31km/h 19mph West South Westerly 31km/h 19mph West South Westerly 32km/h 20mph West South Westerly 32km/h 20mph West South Westerly 31km/h 19mph West South Westerly 27km/h 17mph Westerly 24km/h 15mph West North Westerly 23km/h 14mph West North Westerly 21km/h 13mph West North Westerly
Wind Direction WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW WSW W WNW WNW WNW
Humidity 93% 92% 93% 92% 90% 90% 89% 90% 90% 90% 91% 92% 92% 92% 92% 92% 92% 92% 93% 93% 92% 86% 87% 84%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M M M M M M M M M M M M M M M M M M M M G G VG
Pressure (Millibars) 1010 1010 1010 1011 1011 1010 1010 1010 1010 1010 1010 1010 1011 1011 1011 1011 1011 1010 1010 1010 1011 1011 1012 1013

Wales

Forecast Summary

  • Thursday

    Staying cloudy and wet, with strong winds, perhaps gales along exposed coasts. Further heavy rain likely, especially across hills. However drier with brighter spells over eastern Wales. Staying mild.

Environmental Summary

UV: 1

UK Range: 1-7

Pollution: 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, Wednesday 17 Dec Forecast updated Monday to Friday only

UK

UK Forecast Last updated 23:32, Wednesday 17 Dec

Observations

Observed at 00:00, Thursday 18 December

Light Rain Shower

11°C 52°F

31km/h 19mph Westerly

Humidity: 99%

Visibility: Moderate

Pressure: 1010mb, Rising

Observation station: St. Athan

(Lat: 51.4 | Lon: -3.433)

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