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Northolt observations (nearest observation site to Harpenden)

Harpenden forecast
Mon 26 Sep 2016
1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Cloudy Partly cloudy night Clear night Partly cloudy night Cloudy Cloudy
18.3 ° 17.2 ° 16.8 ° 15.5 ° 14.5 ° 13.6 ° 12.7 ° 11.9 °
Wind direction, speed & gust (mph) arrow down
SW 10 SW 11 SSW 9 S 7 S 6 S 5 SE 3 SSE 2
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E VG VG VG
Humidity arrow down
58% 53% 57% 68% 75% 80% 86% 88%
Pressure (hPa) arrow down
1022 1022 1021 1022 1022 1022 1023 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R F F R R R R
Tue 27 Sep 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600
Partly cloudy night Clear night Clear night Cloudy Partly cloudy night Cloudy Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Cloudy Overcast
10.8 ° 10.2 ° 9.4 ° 9.2 ° 10.4 ° 11.5 ° 13.0 ° 13.7 ° 15.4 ° 15.8 ° 17.5 ° 16.9 ° 17.6 ° 17.8 ° 18.3 ° 19.2 ° 19.1 °
Wind direction, speed & gust (mph) arrow down
S 2 SE 5 SSE 2 N 0 SSE 5 S 3 SE 5 S 3 SSW 9 S 10 SSW 15 SSW 15 SSW 14 SSW 13 SSW 13 SSW 15 SW 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG E E VG VG VG E E E E E E E
Humidity arrow down
92% 93% 96% 95% 95% 90% 82% 80% 81% 80% 72% 78% 78% 80% 80% 80% 80%
Pressure (hPa) arrow down
1022 1022 1022 1022 1022 1022 1021 1022 1022 1022 1022 1022 1022 1023 1022 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F S R R R R R R R F F
More detail arrow down

Issued at: 1600 on Tue 27 Sep 2016

= No Data