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St-Athan (nearest observation site to Mountain Ash)

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Mountain Ash forecast
Tue 28 Jun 2016
1800 1900 2000 2100 2200 2300
Overcast Overcast Heavy shower day Sunny day Partly cloudy night Cloudy
15.4 ° 14.4 ° 13.9 ° 13.3 ° 12.5 ° 12.8 °
Wind direction, speed & gust (mph) arrow down
S 7 W 22 36 W 31 46 WNW 25 47 WNW 16 36 W 15
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E M M E E VG
Humidity arrow down
88% 94% 92% 83% 84% 87%
Pressure (hPa) arrow down
1005 1004 1005 1008 1010 1011
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F R R R
Wed 29 Jun 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800
Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Light shower day Light rain Light rain Heavy rain Cloudy Light rain Light rain Light rain Cloudy Light rain
13.2 ° 14.1 ° 13.8 ° 13.8 ° 13.9 ° 13.8 ° 14.1 ° 14.0 ° 14.0 ° 14.1 ° 14.4 ° 14.8 ° 14.7 ° 15.0 ° 15.8 ° 15.3 ° 14.8 ° 15.1 ° 14.2 °
Wind direction, speed & gust (mph) arrow down
W 8 W 16 W 14 W 14 W 14 W 10 SW 11 SW 10 SSW 9 SSW 11 SSW 14 25 SW 19 WSW 24 33 WSW 24 33 WSW 23 36 WSW 23 32 WSW 21 33 WSW 23 33 WSW 18 34
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G G G G G G G G VG G G M G G M M G M
Humidity arrow down
90% 90% 89% 89% 86% 85% 85% 83% 81% 84% 88% 88% 95% 91% 85% 86% 92% 88% 96%
Pressure (hPa) arrow down
1011 1011 1011 1011 1010 1010 1009 1009 1008 1007 1006 1006 1006 1006 1006 1006 1006 1005 1006
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R F F F F F F F F F F F S R R F F
More detail arrow down

Issued at: 1800 on Wed 29 Jun 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 17.2 °C
Lowest maximum temperature Lake Vyrnwy 13.1 °C
Lowest minimum temperature Mona 7.3 °C
Highest rainfall Pembrey Sands 20.0 mm
Sunniest St Athan 4.5 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend 22.0 °C
Lowest maximum temperature Dalwhinnie 12.3 °C
Lowest minimum temperature Kielder Castle 2.9 °C
Highest rainfall Pembrey Sands 20.0 mm
Sunniest Yeovilton 7.6 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 29 Jun 2016

Weather map

Wed 1800

Weather observation map for Mountain Ash

Mountain Ash Mountain Ash – Light rain 51.6812 -3.3719
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Cloudy 52.083 -2.8
Chivenor Chivenor – Heavy rain 51.089 -4.149
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Overcast 52.757 -3.464
Trawsgoed Trawsgoed – Light shower day 52.344 -3.947
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Overcast 51.708 -5.055
Exeter Airport 2 Exeter Airport 2 – Overcast 50.7366 -3.40458
Lyneham Lyneham – Overcast 51.5031 -1.9924
Coleshill Coleshill – Overcast 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Overcast 51.86 -1.692
Hawarden Hawarden – Sunny intervals 53.174 -2.986
Mount Batten Mount Batten – Overcast 50.354 -4.121
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Benson Benson – Cloudy 51.62 -1.097
Leek Leek – Overcast 53.12755 -1.97993
Bedford Bedford – Overcast 52.225 -0.464

Location Details

Mountain Ash

Location: 51.6812, -3.3719

Altitude: 109.0 m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49.0 m above mean sea level

Distance from Mountain Ash: 31.1 km