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yellow Warnings have been issued for Hemel Hempstead, London & South East England

Northolt observations (nearest observation site to Hemel Hempstead)

Hemel Hempstead forecast
Fri 26 May 2017
2300
Clear night
19.0 °
Wind direction, speed & gust (mph) arrow down
E 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG
Humidity arrow down
66%
Pressure (hPa) arrow down
1014
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F
Sat 27 May 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Clear night Clear night Clear night Clear night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Sunny day Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Clear night
17.4 ° 16.1 ° 15.6 ° 14.9 ° 14.8 ° 14.7 ° 15.0 ° 19.1 ° 20.9 ° 21.1 ° 23.1 ° 22.4 ° 21.1 ° 20.5 ° 21.4 ° 20.4 ° 20.8 ° 21.3 ° 19.7 ° 18.9 ° 18.0 ° 17.1 ° 15.9 ° 14.8 °
Wind direction, speed & gust (mph) arrow down
E 7 E 6 ENE 5 E 3 ESE 7 E 5 NW 1 SE 5 SSE 5 S 6 S 11 S 17 SSW 19 31 SW 18 SSW 19 30 SW 17 SW 16 SW 16 SSW 15 SW 13 SW 11 WSW 9 WSW 10 WSW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG VG VG VG E E VG E E E E E E E E E E VG
Humidity arrow down
75% 81% 83% 83% 84% 87% 85% 70% 65% 67% 61% 65% 66% 63% 61% 64% 58% 57% 63% 62% 63% 66% 77% 84%
Pressure (hPa) arrow down
1014 1014 1013 1013 1012 1012 1012 1012 1012 1012 1012 1012 1013 1014 1014 1014 1015 1015 1015 1015 1016 1016 1017 1017
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F R R F F R R R R R R R R R R R R R
More detail arrow down

Issued at: 2300 on Sat 27 May 2017

= No Data