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Weather warnings may have been issued

St-Athan (nearest observation site to Blackwood)

Wednesday (Wednesday 17 January 2018)
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 Partly cloudy night Cloudy Overcast Overcast Overcast Sunny intervals Cloudy Sunny intervals Sunny intervals Light shower day Cloudy Overcast Light shower night Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain
Temperature (°C)
4.4 ° 4.9 ° 5.1 ° 4.9 ° 5.0 ° 5.6 ° 5.9 ° 6.4 ° 6.6 ° 7.3 ° 7.1 ° 7.1 ° 5.5 ° 7.0 ° 7.0 ° 6.1 ° 5.9 ° 6.3 ° 6.6 ° 7.9 ° 9.5 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WNW 28 43 WNW 25 44 WNW 26 41 WNW 22 34 WNW 23 34 WNW 17 30 WNW 21 33 W 22 34 W 22 37 W 23 34 WNW 23 38 W 22 37 WNW 21 39 W 16 29 W 14 29 WSW 17 W 16 WSW 19 32 SSW 14 SW 26 37 WSW 37 56
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G M G G G G G G VG G G G M M M M P
Humidity Expand
75% 70% 66% 67% 68% 72% 71% 70% 67% 69% 67% 67% 79% 72% 73% 83% 86% 92% 92% 90% 95%
Pressure (hPa) Expand
1002 1003 1005 1006 1007 1008 1009 1010 1010 1011 1011 1011 1010 1010 1010 1009 1008 1006 1003 999 998
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R R R R R F F F F F F F F F
Sunrise: 08:11 Sunset: 16:35 Moon phase: New
Thursday (Thursday 18 January 2018)
00:00 01:00 02:00 03:00
Heavy rain Drizzle Light rain Overcast
Temperature (°C)
9.8 ° 10.4 ° 10.3 ° 10.2 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WSW 33 52 W 36 53 W 34 54 W 32 51
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M M
Humidity Expand
95% 89% 87% 76%
Pressure (hPa) Expand
997 996 996 997
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F
Sunrise: 08:10 Sunset: 16:37 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Milford Haven C.B. 9.0 °C
Lowest maximum temperature Lake Vyrnwy SAWS 3.1 °C
Lowest minimum temperature Lake Vyrnwy SAWS -0.8 °C
Highest rainfall Llysdinam 15.2 mm
Sunniest Aberdaron 3.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 10.8 °C
Lowest maximum temperature Carterhouse 0.8 °C
Lowest minimum temperature Drumnadrochit -5.0 °C
Highest rainfall Glenanne 20.6 mm
Sunniest Wattisham 6.5 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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