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St-Athan (nearest observation site to Llantwit Major)

Wednesday (Wednesday 20 September 2017)
01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Cloudy Overcast Sunny intervals Sunny day Cloudy Overcast Heavy shower day Heavy shower day Heavy rain Heavy rain Overcast Heavy shower night Cloudy Overcast Overcast
Temperature (°C)
13.7 ° 14.2 ° 14.2 ° 14.2 ° 14.5 ° 14.2 ° 14.1 ° 14.7 ° 14.9 ° 15.4 ° 16.8 ° 17.6 ° 18.7 ° 17.5 ° 16.7 ° 15.1 ° 14.9 ° 14.4 ° 14.3 ° 13.9 ° 14.0 ° 14.7 ° 14.9 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSW 5 SW 5 WSW 10 WSW 11 WSW 14 SW 11 SW 8 SSW 9 S 8 S 8 SSE 9 S 8 S 7 SSW 6 SSW 9 21 S 7 SSE 10 SSE 8 S 7 S 7 SSE 8 S 7 S 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E E E E E E E E VG VG VG E VG G G M M VG M VG E E
Humidity Expand
85% 82% 77% 80% 79% 82% 85% 84% 85% 84% 79% 73% 72% 75% 77% 89% 95% 97% 93% 96% 96% 90% 88%
Pressure (hPa) Expand
1020 1020 1020 1019 1019 1019 1018 1018 1018 1018 1018 1017 1017 1016 1016 1016 1015 1015 1015 1015 1014 1014 1014
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F F F F F F F F F F F F F
Sunrise: 06:56 Sunset: 19:18 Moon phase: Waning crescent
Thursday (Thursday 21 September 2017)
00:00 01:00
Overcast Overcast
Temperature (°C)
14.9 ° 15.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSE 7 S 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E
Humidity Expand
91% 90%
Pressure (hPa) Expand
1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F
Sunrise: 06:58 Sunset: 19:15 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 19.7 °C
Lowest maximum temperature Aberdaron 14.9 °C
Lowest minimum temperature Usk No 2 7.4 °C
Highest rainfall Whitechurch 15.6 mm
Sunniest St-Athan 2.8 hours

UK extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 19.7 °C
Lowest maximum temperature Castlederg 12.4 °C
Lowest minimum temperature Santon Downham 3.0 °C
Highest rainfall Logan Botanic Garden 25.6 mm
Sunniest Shoeburyness 3.7 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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