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St-Athan observations (nearest observation site to Mountain Ash)

Mountain Ash forecast
Wed 28 Sep 2016
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Overcast Overcast Overcast Heavy rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast
16.8 ° 17.2 ° 17.6 ° 17.6 ° 17.6 ° 17.9 ° 18.1 ° 18.1 ° 18.3 ° 18.1 ° 17.9 °
Wind direction, speed & gust (mph) arrow down
W 9 W 10 WSW 9 W 13 WSW 8 WSW 10 WSW 14 WSW 10 SW 10 SW 10 WSW 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G M M G VG E VG E VG VG
Humidity arrow down
91% 92% 93% 96% 97% 96% 94% 95% 91% 90% 91%
Pressure (hPa) arrow down
1025 1025 1024 1024 1023 1022 1021 1021 1020 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F
Thu 29 Sep 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300
Overcast Overcast Overcast Overcast Overcast Heavy rain Heavy rain Light rain Light shower day Sunny intervals Cloudy Cloudy Cloudy Cloudy
16.9 ° 17.1 ° 16.2 ° 16.9 ° 16.3 ° 16.0 ° 16.2 ° 14.7 ° 15.3 ° 14.7 ° 15.5 ° 15.7 ° 16.4 ° 16.5 °
Wind direction, speed & gust (mph) arrow down
W 17 W 18 WSW 18 30 WSW 18 29 WSW 21 29 WSW 19 30 WSW 19 31 W 15 37 W 15 W 17 W 18 W 19 30 W 22 32 W 19 36
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M VG G E M M P M M G G G G G
Humidity arrow down
96% 90% 96% 89% 94% 99% 99% 96% 93% 80% 81% 76% 76% 71%
Pressure (hPa) arrow down
1019 1018 1018 1016 1015 1015 1015 1015 1015 1015 1015 1015 1015 1015
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F R R R F F
More detail arrow down

Issued at: 1300 on Thu 29 Sep 2016

= No Data