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St-Athan (nearest observation site to Caerphilly)

Tuesday (Tuesday 12 December 2017)
17:00 18:00 19:00 20:00 21:00 22:00 23:00
Overcast Overcast Heavy rain Heavy rain Overcast Light shower night Overcast
Temperature (°C)
7.2 ° 7.2 ° 6.9 ° 6.7 ° 8.0 ° 8.4 ° 9.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SW 13 SSW 14 SSW 11 S 7 SSW 14 SW 18 SW 19
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG G E VG VG
Humidity Expand
78% 78% 81% 88% 83% 89% 86%
Pressure (hPa) Expand
1007 1007 1007 1006 1004 1003 1002
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F
Sunrise: 08:09 Sunset: 16:03 Moon phase: Third quarter
Wednesday (Wednesday 13 December 2017)
00:00 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
Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Light shower night Light shower night Light shower night Light rain Heavy rain Heavy rain Heavy rain Heavy shower day Heavy shower day Sunny intervals Cloudy Heavy shower night
Temperature (°C)
8.5 ° 7.8 ° 7.6 ° 7.7 ° 8.1 ° 8.6 ° 7.8 ° 8.0 ° 7.9 ° 8.3 ° 8.1 ° 8.6 ° 8.9 ° 8.7 ° 7.6 ° 7.2 ° 6.7 ° 6.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 21 32 WNW 16 32 WNW 13 WNW 10 WNW 10 W 15 WNW 10 W 17 WSW 10 WSW 17 WSW 15 WSW 13 30 WSW 18 36 W 25 41 WNW 23 45 WNW 19 37 WNW 13 29 W 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G G G G G G M M M M G G G G
Humidity Expand
87% 84% 87% 84% 85% 80% 85% 84% 90% 89% 92% 95% 95% 89% 79% 73% 73% 75%
Pressure (hPa) Expand
1002 1003 1003 1003 1002 1002 1001 1001 1000 999 998 997 995 993 994 995 995 994
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F R R F F F F F F F F F F F F R F
Sunrise: 08:10 Sunset: 16:03 Moon phase: Third quarter

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Milford Haven C.B. 9.8 °C
Lowest maximum temperature Llysdinam 0.7 °C
Lowest minimum temperature Llysdinam -9.5 °C
Highest rainfall Capel Curig 23.2 mm
Sunniest Hawarden 1.7 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 10.7 °C
Lowest maximum temperature Fylingdales 0.2 °C
Lowest minimum temperature Shawbury -13.0 °C
Highest rainfall Capel Curig 23.2 mm
Sunniest Shoeburyness 6.6 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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