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

Mountain Ash forecast
Wed 29 Mar 2017
1900 2000 2100 2200 2300
Cloudy Overcast Overcast Overcast Overcast
12.6 ° 12.2 ° 12.0 ° 12.6 ° 12.4 °
Wind direction, speed & gust (mph) arrow down
SSW 8 S 7 S 6 SSW 11 S 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG G VG VG
Humidity arrow down
89% 90% 88% 86% 89%
Pressure (hPa) arrow down
1019 1018 1019 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F 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
Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light rain Heavy shower day Overcast Overcast Heavy shower day Overcast Overcast Cloudy Overcast Overcast Cloudy Cloudy
12.0 ° 11.7 ° 11.7 ° 11.8 ° 11.8 ° 12.1 ° 12.4 ° 11.7 ° 11.4 ° 12.3 ° 11.9 ° 11.2 ° 13.4 ° 14.5 ° 15.5 ° 15.3 ° 13.4 ° 14.2 ° 14.4 °
Wind direction, speed & gust (mph) arrow down
S 6 S 7 S 6 S 6 S 7 S 9 S 8 SE 6 S 6 SSW 10 E 3 SE 6 ESE 7 SSE 7 SSE 5 ESE 6 SSE 7 ESE 3 SSE 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG E E VG E VG VG G M VG VG G VG VG VG VG E VG VG
Humidity arrow down
90% 92% 92% 92% 91% 91% 89% 94% 97% 88% 90% 93% 89% 82% 79% 76% 75% 70% 69%
Pressure (hPa) arrow down
1019 1019 1019 1018 1018 1017 1017 1017 1017 1018 1018 1017 1017 1017 1016 1015 1014 1014 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
S F F F F F F F F R R R F F F F F F F
More detail arrow down

Issued at: 1900 on Thu 30 Mar 2017

= No Data