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St-Athan (nearest observation site to Llantwit Major)

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Llantwit Major forecast
Fri 22 May 2015
0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Drizzle Drizzle Drizzle Overcast Mist Mist Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Mist Mist Fog Overcast
11.7 11.9 11.9 12.2 12.2 11.8 12.9 13.5 13.4 13.2 13.1 13.2 12.5 11.9 11.5 11.2 11.1 10.9
Wind direction, speed & gust (mph) arrow down
W 13 W 15 W 14 W 13 W 10 W 11 W 11 W 10 W 14 W 14 W 14 WNW 16 WNW 14 W 14 WNW 13 WNW 10 WNW 10 W 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M VG G M P G G G G VG VG G M P VP M P
Humidity arrow down
98% 98% 98% 98% 97% 96% 92% 92% 88% 91% 91% 89% 93% 95% 97% 97% 98% 99%
Pressure (hPa) arrow down
1026 1026 1026 1026 1026 1027 1026 1026 1026 1026 1026 1025 1025 1025 1025 1025 1026 1026
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F R R R R F F F F F F F F F R R R
Sunrise: 05:12 Sunset: 21:07 Moon phase: Waxing crescent
Sat 23 May 2015
0000 0100 0200 0300 0400 0500 0600
Fog Fog Overcast Mist Mist Mist Fog
10.9 11.0 11.1 11.3 11.4 11.6 11.1
Wind direction, speed & gust (mph) arrow down
WNW 9 W 7 WNW 8 NW 7 W 3 WNW 6 WNW 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VP VP P P P P VP
Humidity arrow down
99% 99% 99% 99% 99% 99% 99%
Pressure (hPa) arrow down
1026 1026 1026 1025 1025 1025 1025
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R F F F F F
Sunrise: 05:11 Sunset: 21:09 Moon phase: Waxing crescent
More detail arrow down

Issued at: 0600 on Sat 23 May 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 20.6 °C
Lowest maximum temperature Mumbles Head 13.0 °C
Lowest minimum temperature Libanus 6.6 °C
Highest rainfall Porthmadog 8.4 mm
Sunniest Aberporth 5.5 hours

UK extremes

Parameter Location Value
Highest maximum temperature Bridlington 21.6 °C
Lowest maximum temperature Fair Isle 9.3 °C
Lowest minimum temperature Benson 3.1 °C
Highest rainfall Porthmadog 8.4 mm
Sunniest Dyce 8.4 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)

Issued at: 0003 on Sat 23 May 2015

Weather map

Sat 0600

Weather observation map for Llantwit Major

Llantwit Major Llantwit Major – Fog 51.4088 -3.484
Mumbles Head Mumbles Head – No data 51.565 -3.981
Chivenor Chivenor – Fog 51.089 -4.149
Exeter Airport Exeter Airport – No data 50.737 -3.405
Yeovilton Yeovilton – Mist 51.006 -2.64
Hereford Hereford – Mist 52.083 -2.8
Milford Haven C.B. Milford Haven C.B. – Overcast 51.708 -5.055
Trawsgoed Trawsgoed – Mist 52.344 -3.947
Lyneham Lyneham – Sunny intervals 51.5031 -1.9924
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Sunny day 52.757 -3.464
Mount Batten Mount Batten – Overcast 50.354 -4.121
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Coleshill Coleshill – Sunny day 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Sunny day 51.86 -1.692
Benson Benson – Sunny day 51.62 -1.097
Camborne Camborne – Fog 50.218 -5.33
Hawarden Hawarden – Cloudy 53.174 -2.986
Leek Leek – Mist 53.12755 -1.97993
Valley Valley – Mist 53.252 -4.537
Bedford Bedford – Cloudy 52.225 -0.464

Location Details

Llantwit Major

Location: 51.4088, -3.484

Altitude: 46m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49 m above mean sea level

Distance from Llantwit Major: 3.1 km