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

Partly Cloudy

17°C 63°F 10°C 50°F South South Westerly
6km/h 4mph
Monday

Sunny

17°C 63°F 12°C 54°F West South Westerly
10km/h 6mph
Tuesday

Light Cloud

15°C 59°F 12°C 54°F Westerly
11km/h 7mph
Wednesday

Sunny Intervals

16°C 61°F 13°C 55°F West North Westerly
19km/h 12mph
Thursday

Light Cloud

18°C 64°F 14°C 57°F West South Westerly
16km/h 10mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:06 Sunset 19:26

Last updated 18:05

Weather forecast details for Sunday 21 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Mon
0100 hours0200 hours0300 hours0400 hours0500 hours             
Weather Conditions Sunny Intervals Partly Cloudy Partly Cloudy Partly Cloudy Clear Sky Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy              
Temperature (°C/°F) 16°C 61°F 15°C 59°F 15°C 59°F 14°C 57°F 14°C 57°F 13°C 55°F 13°C 55°F 12°C 54°F 12°C 54°F 11°C 52°F 11°C 52°F              
Wind Speed (mph/km/h) 11km/h 7mph South South Easterly 8km/h 5mph Southerly 6km/h 4mph Southerly 6km/h 4mph Southerly 6km/h 4mph South South Westerly 6km/h 4mph South South Westerly 6km/h 4mph South South Westerly 6km/h 4mph South South Westerly 5km/h 3mph South South Westerly 5km/h 3mph South South Westerly 5km/h 3mph South South Westerly              
Wind Direction SSE S S S SSW SSW SSW SSW SSW SSW SSW              
Humidity 69% 71% 75% 76% 78% 80% 83% 86% 89% 90% 91%              
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G G G G G G M M M              
Pressure (Millibars) 1026 1027 1027 1027 1027 1027 1027 1027 1026 1026 1026              

Northern Ireland

Forecast Summary

  • This Evening and Tonight

    Staying dry this evening with late sunny spells then dry overnight with clear periods, and becoming rather chilly. Some patchy mist and low cloud forming later. Coldest spots across Down and Fermanagh.

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 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 16:46, Sunday 21 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 17:03, Sunday 21 Sep

Observations

Observed at 17:00, Sunday 21 September

Sunny

17°C 63°F

8km/h 5mph Westerly

Humidity: 52%

Visibility: Very Good

Pressure: 1027mb, Falling

Observation station: Aldergrove

(Lat: 54.65 | Lon: -6.217)

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