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St-Athan (nearest observation site to Mountain Ash)

Recent locations
Mountain Ash forecast
Sun 24 May 2015
1900 2000 2100 2200 2300
Sunny day Sunny day Sunny day Clear night Clear night
16.6 15.7 12.8 11.3 10.4
Wind direction, speed & gust (mph) arrow down
W 10 W 10 NW 7 WNW 10 WNW 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG
Humidity arrow down
64% 64% 63% 69% 73%
Pressure (hPa) arrow down
1019 1020 1020 1020 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R
Sunrise: 05:10 Sunset: 21:10 Moon phase: First quarter
Mon 25 May 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900
Clear night Clear night Clear night Clear night Cloudy Overcast Overcast Cloudy Overcast Overcast Overcast Cloudy Cloudy Sunny intervals Cloudy Cloudy Overcast Overcast Overcast Overcast
9.7 9.7 9.3 8.6 8.7 9.7 10.2 10.3 11.7 12.1 12.9 13.0 14.4 14.2 14.5 13.8 12.6 12.7 12.8 14.3
Wind direction, speed & gust (mph) arrow down
WNW 9 WNW 9 WNW 8 NW 6 NNW 6 NNW 5 NW 5 WNW 3 W 6 W 6 W 10 WNW 14 W 16 W 16 WNW 17 WNW 17 W 17 W 14 W 14 W 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG G VG VG VG VG VG VG VG VG VG VG VG VG VG VG G VG VG
Humidity arrow down
78% 78% 79% 82% 84% 79% 77% 78% 76% 79% 76% 72% 73% 67% 67% 71% 78% 81% 82% 73%
Pressure (hPa) arrow down
1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1020 1020 1020 1021 1021 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R F F F S S R R R F F F F F R R R R
Sunrise: 05:09 Sunset: 21:11 Moon phase: First quarter
More detail arrow down

Issued at: 1900 on Mon 25 May 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 20.3 °C
Lowest maximum temperature Aberporth 12.4 °C
Lowest minimum temperature Trawsgoed 4.4 °C
Highest rainfall Gogerddan 6.4 mm
Sunniest Valley 9.2 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend 21.5 °C
Lowest maximum temperature Cluanie Inn 9.0 °C
Lowest minimum temperature Santon Downham 3.3 °C
Highest rainfall Dunstaffnage 11.6 mm
Sunniest Valley 9.2 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)

Issued at: 0003 on Mon 25 May 2015

Weather map

Mon 1900

Weather observation map for Mountain Ash

Mountain Ash Mountain Ash – Overcast 51.6812 -3.3719
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Overcast 52.083 -2.8
Chivenor Chivenor – Cloudy 51.089 -4.149
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Overcast 52.757 -3.464
Trawsgoed Trawsgoed – Cloudy 52.344 -3.947
Yeovilton Yeovilton – Overcast 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Cloudy 51.708 -5.055
Exeter Airport Exeter Airport – No data 50.737 -3.405
Lyneham Lyneham – Overcast 51.5031 -1.9924
Coleshill Coleshill – Overcast 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Cloudy 51.86 -1.692
Hawarden Hawarden – Cloudy 53.174 -2.986
Mount Batten Mount Batten – Sunny intervals 50.354 -4.121
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Benson Benson – Cloudy 51.62 -1.097
Leek Leek – Cloudy 53.12755 -1.97993
Valley Valley – Overcast 53.252 -4.537
Bedford Bedford – Cloudy 52.225 -0.464
Watnall Watnall – Cloudy 53.005 -1.25

Location Details

Mountain Ash

Location: 51.6812, -3.3719

Altitude: 109m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49 m above mean sea level

Distance from Mountain Ash: 31.1 km