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

Light Rain

13°C 55°F 4°C 39°F West South Westerly
29km/h 18mph
Friday

Light Rain Shower

6°C 43°F 5°C 41°F Westerly
24km/h 15mph
Saturday

Light Cloud

8°C 46°F 6°C 43°F Westerly
19km/h 12mph
Sunday

Light Rain

12°C 54°F 10°C 50°F South Westerly
31km/h 19mph
Monday

Light Rain

11°C 52°F 7°C 45°F West South Westerly
31km/h 19mph

IN ASSOCIATION WITH

Forecast

Sunrise 08:42 Sunset 15:58

Last updated 14:13

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 1500 hours1800 hours2100 hours0000 hours
Fri
0300 hours   
Weather Conditions Sunny Intervals Light Cloud Clear Sky Clear Sky Light Rain Shower    
Temperature (°C/°F) 10°C 50°F 8°C 46°F 7°C 45°F 6°C 43°F 5°C 41°F    
Wind Speed (mph/km/h) 19km/h 12mph Westerly 16km/h 10mph West South Westerly 16km/h 10mph Westerly 18km/h 11mph West South Westerly 21km/h 13mph West South Westerly    
Wind Direction W WSW W WSW WSW    
Humidity 81% 78% 75% 74% 75%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G VG VG VG    
Pressure (Millibars) 999 1001 1003 1004 1005    

Northern Ireland

Forecast Summary

  • Today

    A cloudy morning with outbreaks of rain or drizzle, these more persistent in the west. Cloud gradually lifting during the afternoon although with showers moving in from the west. Some brightness developing in the east. Still mild.

  • Tonight

    Skies becoming clearer during the evening, however scattered showers still pushing in from the northwest, these occasionally getting over to the east. Breezy, especially along northern coasts.

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 4 6 9 11 11 9 7 4 3
Average Minimum Temperature (°F) 35 35 37 39 43 49 52 51 49 44 39 37
Average Maximum Temperature (°C) 6 7 9 12 15 18 18 18 16 13 9 7
Average Maximum Temperature (°F) 43 44 49 53 59 64 65 65 61 55 48 44
Record Minimum Temperature (°C) -13 -12 -12 -4 -3 -1 4 1 -2 -4 -6 -11
Record Minimum Temperature (°F) 9 11 10 24 26 31 39 34 28 24 21 13
Record Maximum Temperature (°C) 13 14 19 21 26 28 29 28 26 21 16 14
Record Maximum Temperature (°F) 56 57 67 69 79 83 85 82 78 70 61 58
Average Precipitation (mm) 80 52 50 48 52 68 94 77 80 83 72 90
Average Precipitation (inches) 3.2 2.1 2.0 1.9 2.1 2.7 3.7 3.0 3.2 3.3 2.8 3.5
Average Sunlight Hours 1 2 3 5 6 6 4 4 4 3 2 1
Wet Days (+0.1 mm) 20 17 16 16 15 16 19 17 18 19 19 21
Relative Humidity AM 92 91 88 83 79 80 84 87 89 91 92 92
Relative Humidity PM 87 80 74 69 66 71 73 75 78 80 85 89
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 Newsline

BBC Newsline Forecast Last updated 13:19, Thursday 18 Dec Forecast updated Monday to Friday only

UK

UK Forecast Last updated 12:49, Thursday 18 Dec

Observations

Observed at 14:00, Thursday 18 December

Thick Cloud

10°C 50°F

18km/h 11mph West South Westerly

Humidity: 89%

Visibility: Excellent

Pressure: 999mb, Rising

Observation station: Aldergrove

(Lat: 54.65 | Lon: -6.217)

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