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Northolt observations (nearest observation site to Welwyn)

Welwyn forecast
Fri 18 Aug 2017
1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny intervals Sunny intervals Sunny intervals Light rain Light shower day Cloudy Cloudy Sunny intervals Light shower day Cloudy Overcast Overcast Cloudy
18.8 ° 19.5 ° 19.0 ° 15.0 ° 15.8 ° 14.6 ° 14.6 ° 16.2 ° 14.5 ° 14.7 ° 14.6 ° 14.7 ° 14.0 °
Wind direction, speed & gust (mph) arrow down
W 13 W 13 SW 15 W 8 31 W 11 WSW 15 26 WSW 16 WSW 16 WSW 10 WSW 10 SW 7 SW 14 SW 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E VG E E E E VG E E E E
Humidity arrow down
66% 63% 68% 88% 78% 80% 77% 73% 87% 80% 79% 73% 80%
Pressure (hPa) arrow down
1011 1011 1010 1011 1011 1011 1011 1011 1012 1012 1012 1012 1011
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R F F R R R R R R R F F
Sat 19 Aug 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100
Cloudy Overcast Cloudy Cloudy Partly cloudy night Partly cloudy night Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals
14.1 ° 14.0 ° 13.7 ° 13.6 ° 13.1 ° 12.6 ° 12.2 ° 12.6 ° 14.0 ° 15.6 ° 16.9 ° 17.4 °
Wind direction, speed & gust (mph) arrow down
WSW 16 W 15 W 14 W 11 WSW 9 WSW 9 WSW 8 W 6 W 11 W 13 W 13 W 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E VG VG E E E E E
Humidity arrow down
79% 85% 88% 89% 91% 94% 94% 91% 83% 76% 72% 60%
Pressure (hPa) arrow down
1012 1012 1013 1013 1013 1014 1015 1016 1016 1017 1017 1017
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R R R R R R R R
More detail arrow down

Issued at: 1100 on Sat 19 Aug 2017

= No Data