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St-Athan (nearest observation site to Mountain Ash)

Recent locations
Mountain Ash forecast
Sat 29 Aug 2015
0800 0900 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny day Sunny intervals Sunny day Sunny day Sunny day Sunny day Cloudy Sunny day Sunny intervals Cloudy Sunny intervals Partly cloudy night Cloudy Clear night Cloudy
14.5 15.9 16.8 17.7 18.3 18.5 18.6 18.7 19.0 19.3 17.7 16.8 15.8 14.9 14.4
Wind direction, speed & gust (mph) arrow down
N 0 SSE 3 S 5 SSW 3 SSW 2 SW 3 WNW 5 WNW 5 NW 3 WNW 8 WNW 5 NW 3 NW 5 NNW 3 NNW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E VG E E E E E E E E E VG VG VG VG
Humidity arrow down
83% 78% 71% 69% 58% 50% 53% 46% 46% 55% 54% 64% 71% 74% 76%
Pressure (hPa) arrow down
1019 1020 1020 1019 1019 1019 1019 1019 1019 1019 1018 1019 1019 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R F F F F F F F F F R R R
Sun 30 Aug 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800
Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light rain
13.7 13.9 13.9 13.7 13.0 13.6 13.5 13.5 13.6
Wind direction, speed & gust (mph) arrow down
N 6 N 6 NNW 2 N 1 NNE 3 N 3 NNE 3 N 3 N 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E VG E VG VG E E E
Humidity arrow down
77% 72% 75% 76% 85% 77% 76% 76% 77%
Pressure (hPa) arrow down
1019 1019 1019 1019 1018 1018 1018 1018 1018
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R F F F F F F F R
More detail arrow down

Issued at: 0800 on Sun 30 Aug 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 20.9 °C
Lowest maximum temperature Lake Vyrnwy 16.7 °C
Lowest minimum temperature Llysdinam 10.5 °C
Highest rainfall Capel Curig 12.6 mm
Sunniest Valley 10.2 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend 23.9 °C
Lowest maximum temperature Dalwhinnie 13.4 °C
Lowest minimum temperature Shobdon 8.3 °C
Highest rainfall Blencathra 22.0 mm
Sunniest Valley 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 Sun 30 Aug 2015

Weather map

Sun 0800

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 – Overcast 51.089 -4.149
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Cloudy 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. – Overcast 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) – 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 – Sunny intervals 53.12755 -1.97993
Valley Valley – Cloudy 53.252 -4.537
Bedford Bedford – Overcast 52.225 -0.464
Watnall Watnall – Overcast 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