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St-Athan (nearest observation site to Llantwit Major)

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Llantwit Major forecast
Tue 01 Sep 2015
0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2300
Clear night Clear night Clear night Cloudy Overcast Sunny day Cloudy Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Cloudy
10.7 10.6 10.8 11.2 12.4 13.5 14.2 15.6 16.9 17.2 17.1 18.0 17.4 18.1 17.0 15.9 14.2 12.4 11.2
Wind direction, speed & gust (mph) arrow down
WNW 7 NW 7 WNW 9 WNW 8 WNW 11 NW 9 WNW 10 WNW 9 NW 9 WNW 11 WNW 11 W 16 WNW 16 W 16 WNW 15 NW 10 WNW 6 NW 7 WNW 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P VG G M G G VG E E VG VG VG VG VG VG E E VG VG
Humidity arrow down
89% 89% 92% 92% 89% 83% 79% 72% 62% 61% 62% 62% 65% 60% 61% 62% 64% 69% 78%
Pressure (hPa) arrow down
1018 1018 1018 1018 1019 1019 1019 1020 1020 1020 1020 1020 1019 1019 1020 1020 1020 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F R R R R R R R R R F F F F R R R R
Wed 02 Sep 2015
0000 0100 0200 0300 0400
Clear night Cloudy Overcast Cloudy Overcast
11.0 11.2 11.5 11.0 11.2
Wind direction, speed & gust (mph) arrow down
WNW 7 NNW 6 NW 5 NW 5 NW 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG VG M VG
Humidity arrow down
83% 82% 82% 84% 84%
Pressure (hPa) arrow down
1021 1021 1020 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R F F F F
More detail arrow down

Issued at: 0400 on Wed 02 Sep 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 18.9 °C
Lowest maximum temperature Capel Curig 14.9 °C
Lowest minimum temperature Llysdinam 4.5 °C
Highest rainfall Capel Curig 10.2 mm
Sunniest St Athan 10.2 hours

UK extremes

Parameter Location Value
Highest maximum temperature Swanage 20.2 °C
Lowest maximum temperature Loch Glascarnoch 11.9 °C
Lowest minimum temperature Achnagart 4.3 °C
Highest rainfall Aviemore 17.0 mm
Sunniest St Athan 10.2 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: 0002 on Wed 02 Sep 2015

Weather map

Wed 0400

Weather observation map for Llantwit Major

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