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

Sunny Intervals

19°C 66°F 11°C 52°F South Westerly
Wind Speed 14 km/h 9 mph
Sunday

Light Cloud

16°C 61°F 8°C 46°F Westerly
Wind Speed 18 km/h 11 mph
Monday

Light Cloud

15°C 59°F 10°C 50°F West North Westerly
Wind Speed 16 km/h 10 mph
Tuesday

Sunny Intervals

17°C 63°F 8°C 46°F North Westerly
Wind Speed 16 km/h 10 mph
Wednesday

Light Cloud

15°C 59°F 9°C 48°F West North Westerly
Wind Speed 14 km/h 9 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:11 Sunset 21:09

Last updated 13:12

Weather forecast details for Saturday 23 May. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1600 hours1900 hours2200 hours0100 hours
Sun
0400 hours   
Weather Conditions Sunny Intervals Sunny Intervals Clear Sky Clear Sky Light Cloud    
Temperature (°C/°F) 18°C 64°F 17°C 63°F 14°C 57°F 12°C 54°F 11°C 52°F    
Wind Speed (mph/km/h) Wind Speed 14 km/h 9 mph West South Westerly Wind Speed 16 km/h 10 mph Westerly Wind Speed 14 km/h 9 mph Westerly Wind Speed 11 km/h 7 mph Westerly Wind Speed 13 km/h 8 mph Westerly    
Wind Direction WSW W W W W    
Humidity 61% 63% 76% 87% 87%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G VG VG G G    
Pressure (Millibars) 1024 1023 1023 1022 1021    

Wales

Forecast Summary

  • Today

    A generally fine, chilly start across Wales followed by a dry day with sunny spells for many and feeling pleasantly warm in the sunshine. However, cloud will thicken from the northwest towards evening.

  • Tonight

    It will be mainly dry with clear spells at first, but cloud and outbreaks of rain will steadily move south-eastwards overnight, reaching all but the far southeast by dawn.

Environmental Summary

UV: 5

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

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, Friday 22 May Forecast updated Monday to Friday only

UK

UK Forecast Last updated 12:25, Saturday 23 May

Observations

Observed at 13:00, Saturday 23 May

Sunny

16°C 61°F

Wind Speed 18 km/h 11 mph West South Westerly

Humidity: 74%

Visibility: Very Good

Pressure: 1025mb, 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