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St-Athan observations (nearest observation site to Merthyr Tydfil)

Merthyr Tydfil forecast
Sun 19 Feb 2017
0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Overcast Overcast Overcast Cloudy Drizzle Drizzle Drizzle Light rain Drizzle Light rain Drizzle Drizzle Drizzle Fog Fog Drizzle
8.0 ° 7.9 ° 8.0 ° 8.0 ° 8.7 ° 9.1 ° 8.9 ° 9.0 ° 9.0 ° 9.7 ° 9.7 ° 9.4 ° 9.1 ° 8.7 ° 8.2 ° 8.2 ° 8.5 ° 9.2 ° 9.4 °
Wind direction, speed & gust (mph) arrow down
WNW 11 W 13 W 16 W 10 W 14 W 15 W 14 W 13 W 10 W 13 WSW 11 W 10 W 11 W 11 W 8 W 13 W 9 W 13 W 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG G M G G P P P M M P VP VP VP VP P VP P
Humidity arrow down
93% 93% 93% 95% 92% 91% 97% 98% 97% 95% 95% 98% 99% 100% 99% 100% 100% 99% 99%
Pressure (hPa) arrow down
1023 1023 1023 1023 1024 1024 1024 1024 1023 1023 1022 1022 1022 1022 1023 1022 1022 1022 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R F R R R R R F F F F F F R R R F R
Mon 20 Feb 2017
0000 0100 0200 0300 0400 0500
Drizzle Overcast Light rain Light rain Fog
9.5 ° 9.3 ° 9.3 ° 9.1 ° 9.2 ° 9.0 °
Wind direction, speed & gust (mph) arrow down
W 11 W 9 W 13 W 15 W 15 W 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P P P VP VP VP
Humidity arrow down
100% 99% 100% 100% 100% 99%
Pressure (hPa) arrow down
1023 1022 1022 1021 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R F F F F F
More detail arrow down

Issued at: 0500 on Mon 20 Feb 2017

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