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St-Athan (nearest observation site to Cardiff)

Wednesday (Wednesday 21 February 2018)
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
Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Cloudy Clear night Clear night Clear night Clear night Clear night Clear night
Temperature (°C)
5.6 ° 5.7 ° 5.8 ° 6.1 ° 7.4 ° 7.8 ° 7.6 ° 8.5 ° 7.2 ° 7.4 ° 7.0 ° 3.9 ° 2.4 ° 3.2 ° 2.9 ° 1.8 ° 2.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ENE 6 NE 6 E 9 E 6 SE 8 E 7 ENE 6 E 8 ENE 11 E 9 ENE 7 ENE 7 E 6 NE 6 NE 5 NNE 5 ENE 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG G G G G G VG G G VG VG G G G G M
Humidity Expand
84% 82% 83% 83% 75% 73% 73% 66% 69% 68% 67% 74% 79% 82% 83% 81% 88%
Pressure (hPa) Expand
1028 1028 1028 1028 1028 1028 1028 1027 1026 1026 1026 1026 1026 1026 1026 1026 1026
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R F F F F F F R R S F F
Sunrise: 07:16 Sunset: 17:38 Moon phase: Waxing crescent
Thursday (Thursday 22 February 2018)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00
Cloudy Clear night Clear night Cloudy Overcast Cloudy Cloudy Cloudy
Temperature (°C)
2.3 ° 1.8 ° 1.5 ° 2.5 ° 3.6 ° 2.0 ° 1.1 ° 2.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ENE 6 NE 5 ENE 6 ENE 6 E 10 ENE 7 ENE 7 ENE 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M G G VG VG E
Humidity Expand
90% 93% 92% 93% 84% 85% 83% 79%
Pressure (hPa) Expand
1026 1025 1025 1025 1024 1024 1024 1024
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F
Sunrise: 07:14 Sunset: 17:40 Moon phase: First quarter

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Milford Haven C.B. 9.2 °C
Lowest maximum temperature Lake Vyrnwy SAWS 4.5 °C
Lowest minimum temperature Swyddffynnon -1.3 °C
Highest rainfall Scolton Country Park 0.2 mm
Sunniest St-Athan 2.8 hours

UK extremes

Parameter Location Value
Highest maximum temperature Bridgefoot 10.5 °C
Lowest maximum temperature High Wycombe 4.4 °C
Lowest minimum temperature Tulloch Bridge -6.0 °C
Highest rainfall Scarborough 2.8 mm
Sunniest Charterhall 8.9 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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