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Heathrow (nearest observation site to Egham)

Wednesday (Wednesday 13 December 2017)
22:00 23:00
Overcast Overcast
Temperature (°C)
3.9 ° 4.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WSW 16 37 W 22 32
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E
Humidity Expand
91% 83%
Pressure (hPa) Expand
990 991
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F R
Sunrise: 07:59 Sunset: 15:53 Moon phase: Third quarter
Thursday (Thursday 14 December 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00
Clear night Clear night Partly cloudy night Cloudy Clear night Cloudy Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Cloudy Sunny day Clear night Clear night Clear night Clear night Partly cloudy night Clear night Partly cloudy night
Temperature (°C)
3.6 ° 2.7 ° 3.3 ° 3.9 ° 4.3 ° 4.2 ° 3.9 ° 3.8 ° 4.1 ° 3.6 ° 5.0 ° 5.8 ° 6.2 ° 5.9 ° 6.1 ° 5.5 ° 4.1 ° 3.4 ° 3.0 ° 3.0 ° 3.0 ° 2.8 ° 2.5 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 21 34 W 18 WSW 18 W 21 30 WSW 16 29 WSW 21 29 WSW 21 32 WSW 15 WSW 15 WSW 15 SW 17 WSW 16 WSW 16 30 WSW 18 WSW 14 WSW 15 WSW 14 WSW 10 SW 9 SW 11 WSW 11 WSW 8 W 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG G
Humidity Expand
77% 83% 82% 81% 80% 82% 83% 81% 82% 83% 80% 76% 74% 73% 72% 74% 81% 85% 86% 88% 88% 89% 88%
Pressure (hPa) Expand
992 993 994 994 994 993 993 993 993 993 993 992 992 991 990 989 989 989 989 989 989 989 989
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R F F F F R F F F F F F F F F F R R R
Sunrise: 08:00 Sunset: 15:54 Moon phase: Waning crescent

– = No Data

Issued at:

Extremes

London & South East England extremes

Parameter Location Value
Highest maximum temperature St Catherines Pt. 8.2 °C
Lowest maximum temperature High Wycombe 4.7 °C
Lowest minimum temperature High Wycombe 1.0 °C
Highest rainfall Kew Gardens 3.6 mm
Sunniest Brize Norton 4.7 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 9.3 °C
Lowest maximum temperature Fyvie Castle -1.6 °C
Lowest minimum temperature Loch Glascarnoch SAWS -8.5 °C
Highest rainfall Lough Fea SAMOS 20.4 mm

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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