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

Light Rain

15°C 59°F 12°C 54°F East South Easterly
13km/h 8mph
Friday

Heavy Rain Shower

15°C 59°F 10°C 50°F South Westerly
11km/h 7mph
Saturday

Light Cloud

14°C 57°F 13°C 55°F South South Westerly
6km/h 4mph
Sunday

Light Cloud

16°C 61°F 12°C 54°F West North Westerly
10km/h 6mph
Monday

Sunny Intervals

17°C 63°F 10°C 50°F North North Westerly
11km/h 7mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:20 Sunset 16:53

Last updated 05:15

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 1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Fri
0400 hours0700 hours
Weather Conditions Light Rain Light Rain Light Rain Light Rain Shower Light Rain Shower Heavy Rain Shower Heavy Rain Shower Heavy Rain Shower
Temperature (°C/°F) 12°C 54°F 14°C 57°F 14°C 57°F 13°C 55°F 12°C 54°F 13°C 55°F 13°C 55°F 13°C 55°F
Wind Speed (mph/km/h) 11km/h 7mph South Easterly 13km/h 8mph East South Easterly 11km/h 7mph South Easterly 11km/h 7mph Southerly 14km/h 9mph South South Easterly 16km/h 10mph South South Easterly 18km/h 11mph Southerly 13km/h 8mph South South Westerly
Wind Direction SE ESE SE S SSE SSE S SSW
Humidity 92% 92% 92% 94% 90% 95% 95% 96%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M M M G M M M
Pressure (Millibars) 1021 1020 1020 1021 1021 1020 1020 1020

Environmental Summary

UV: 1

European range: 1 - 11+

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) 7 8 9 9 11 11 12 12 13 12 11 8
Average Minimum Temperature (°F) 45 47 48 49 51 52 53 53 55 54 51 47
Average Maximum Temperature (°C) 13 15 16 17 17 19 18 18 21 20 17 14
Average Maximum Temperature (°F) 55 59 61 62 63 66 65 65 69 68 63 57
Record Minimum Temperature (°C) -2 1 1 4 6 8 8 8 8 6 3 -3
Record Minimum Temperature (°F) 29 33 33 40 42 46 47 46 47 43 38 27
Record Maximum Temperature (°C) 26 27 30 32 36 38 37 33 38 36 28 23
Record Maximum Temperature (°F) 78 80 86 89 97 100 99 92 101 96 83 74
Average Precipitation (mm) 119 97 79 38 18 3 <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> 8 25 64 112
Average Precipitation (inches) 4.7 3.8 3.1 1.5 0.7 0.1 <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> 0.3 1.0 2.5 4.4
Average Sunlight Hours 5 7 8 10 11 11 10 9 9 8 7 6
Wet Days (+0.1 mm) 11 11 10 6 4 2 <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> 2 4 7 10
Relative Humidity AM 85 84 83 83 85 88 91 92 88 85 83 83
Relative Humidity PM 69 66 61 61 62 64 69 70 63 58 60 68
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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North America Forecast Video

North America Forecast Last updated 14:41, Wednesday 17 Dec

Observations

Observed at 07:00, Thursday 18 December

Thick Cloud

11°C 52°F

5km/h 3mph South Easterly

Humidity: 97%

Visibility: Good

Pressure: 1018mb, Rising

Observation station: San Francisco/Int., CA.

(Lat: 37.62 | Lon: -122.38)

BBC Weather in association with the Met Office

All times are PST (America/Los_Angeles, GMT-0800) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details