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Heathrow observations (nearest observation site to Syon House)

Syon House forecast
Wed 29 Mar 2017
1900 2000 2100 2200 2300
Cloudy Overcast Overcast Overcast Cloudy
14.3 ° 14.3 ° 14.1 ° 13.6 ° 12.8 °
Wind direction, speed & gust (mph) arrow down
SW 13 SSW 9 SSW 9 S 9 S 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG
Humidity arrow down
79% 77% 78% 79% 81%
Pressure (hPa) arrow down
1022 1022 1022 1023 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R
Thu 30 Mar 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900
Partly cloudy night Partly cloudy night Partly cloudy night Clear night Partly cloudy night Partly cloudy night Cloudy Overcast Sunny day Sunny day Sunny intervals Cloudy Cloudy Sunny day Cloudy Sunny day Sunny day Sunny intervals Cloudy Overcast
12.1 ° 11.8 ° 11.9 ° 12.1 ° 12.2 ° 11.8 ° 12.1 ° 12.6 ° 12.7 ° 13.5 ° 14.7 ° 15.9 ° 18.4 ° 19.9 ° 20.6 ° 21.3 ° 20.6 ° 19.8 ° 18.9 ° 18.4 °
Wind direction, speed & gust (mph) arrow down
S 6 SSW 6 S 9 S 9 S 7 SSW 8 S 8 S 7 S 9 S 7 SSW 7 S 10 S 13 S 13 SSW 17 SSW 13 S 14 S 13 S 11 S 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG E E E VG VG VG VG VG G VG VG E VG E E E
Humidity arrow down
82% 83% 83% 80% 73% 74% 75% 74% 74% 75% 71% 65% 53% 46% 42% 43% 45% 50% 52% 52%
Pressure (hPa) arrow down
1022 1022 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1020 1019 1019 1018 1017 1017 1016 1016
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F R F R R S F F F F F F F F
More detail arrow down

Issued at: 1900 on Thu 30 Mar 2017

= No Data