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

Partly Cloudy

17°C 63°F 13°C 55°F West South Westerly
14km/h 9mph
Wednesday

Sunny Intervals

18°C 64°F 11°C 52°F North Westerly
18km/h 11mph
Thursday

Light Cloud

17°C 63°F 16°C 61°F Westerly
23km/h 14mph
Friday

Light Cloud

19°C 66°F 14°C 57°F Westerly
18km/h 11mph
Saturday

Light Cloud

18°C 64°F 14°C 57°F South Easterly
6km/h 4mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:00 Sunset 19:10

Last updated 19:27

Weather forecast details for Tuesday 23 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Wed
0400 hours     
Weather Conditions Light Cloud Light Cloud Light Cloud      
Temperature (°C/°F) 15°C 59°F 14°C 57°F 14°C 57°F      
Wind Speed (mph/km/h) 13km/h 8mph Westerly 14km/h 9mph West South Westerly 11km/h 7mph Westerly      
Wind Direction W WSW W      
Humidity 76% 86% 88%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G      
Pressure (Millibars) 1018 1016 1015      

Wales

Forecast Summary

  • This Evening and Tonight

    Cloudier conditions and outbreaks of rain will spread southeastwards to all parts, leading to a milder night than recently. Many parts will become dry by dawn as the rain starts to clear.

Environmental Summary

UV: 4

UK Range: 1-7

Pollen: Moderate

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 19:05, Tuesday 23 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 17:51, Tuesday 23 Sep

Observations

Observed at 19:00, Tuesday 23 September

Sunny Intervals

15°C 59°F

18km/h 11mph Westerly

Humidity: 73%

Visibility: Good

Pressure: 1019mb, 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