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St-Athan (nearest observation site to Mountain Ash)

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Mountain Ash forecast
  • Thu
  • Fri
Thu 18 Dec 2014
1600 1700 1800 1900 2000 2100 2200 2300
Light rain Light rain Light rain Overcast Overcast Overcast Light rain Light rain
11.1 11.2 11.2 11.3 11.4 11.4 11.3 11.5
Wind direction, speed & gust (mph) arrow down
WSW 28 41 WSW 28 40 WSW 28 41 WSW 29 40 WSW 29 41 WSW 25 38 WSW 25 38 WSW 29 43
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M G VG M G
Humidity arrow down
99% 98% 99% 99% 98% 98% 99% 98%
Pressure (hPa) arrow down
1010 1011 1011 1011 1011 1011 1010 1010
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R R F F
Sunrise: 08:14 Sunset: 16:05 Moon phase: Waning crescent
Fri 19 Dec 2014
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600
Heavy rain Heavy rain Light rain Heavy rain Light rain Overcast Overcast Cloudy Cloudy Sunny intervals Cloudy Cloudy Sunny intervals Sunny day Sunny day Sunny day Sunny intervals
11.5 11.4 11.4 11.3 11.0 9.7 9.1 8.5 7.9 8.0 8.0 8.2 8.6 9.0 8.9 8.9 8.4
Wind direction, speed & gust (mph) arrow down
WSW 26 40 WSW 26 40 WSW 28 38 W 25 38 W 19 37 WNW 15 WNW 17 WNW 17 30 WNW 21 29 WNW 16 WNW 17 WNW 21 30 WNW 19 32 WNW 18 29 WNW 19 30 WNW 18 31 WNW 18 29
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M M M G VG VG E VG VG VG VG E VG VG VG VG
Humidity arrow down
98% 99% 99% 99% 99% 92% 89% 78% 72% 71% 72% 70% 70% 71% 70% 68% 72%
Pressure (hPa) arrow down
1010 1009 1009 1009 1009 1010 1012 1013 1014 1016 1017 1018 1018 1019 1019 1019 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F R R R R R R R R R R R R
Sunrise: 08:15 Sunset: 16:06 Moon phase: Waning crescent
leftEarlier Laterright
More detail arrow down

Issued at: 1600 on Fri 19 Dec 2014

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 13.9 °C
Lowest maximum temperature Tredegar Bryn Bach Park 9.9 °C
Lowest minimum temperature Tredegar Bryn Bach Park 9.3 °C
Highest rainfall Lake Vyrnwy 36.2 mm
Sunniest Valley 0.0 hours

UK extremes

Parameter Location Value
Highest maximum temperature Hereford 15.3 °C
Lowest maximum temperature Loch Glascarnoch 4.8 °C
Lowest minimum temperature Dyce 0.8 °C
Highest rainfall Lake Vyrnwy 36.2 mm
Sunniest Leeming 2.4 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: 2303 on Thu 18 Dec 2014

Weather map

Fri 1600

Weather observation map for Mountain Ash

Mountain Ash Mountain Ash – Sunny intervals 51.6812 -3.3719
Swansea Swansea – No data 51.621 -3.9424
Hereford Hereford – Clear night 52.056 -2.7146
Barnstaple Barnstaple – Light shower day 51.0777 -4.0571
Newtown (Powys) Newtown (Powys) – Overcast 52.5118 -3.3118
Aberystwyth Aberystwyth – Cloudy 52.415 -4.0817
Yeovil Yeovil – Sunny intervals 50.9416 -2.632
Pembroke Pembroke – Cloudy 51.6731 -4.9084
Exeter Exeter – No data 50.7179 -3.5327
Swindon Swindon – Partly cloudy night 51.5556 -1.7784
Birmingham Birmingham – Clear night 52.4859 -1.889
Banbury Banbury – Overcast 52.0625 -1.3383
Wrexham Wrexham – Partly cloudy night 53.0428 -2.9911
Plymouth Plymouth – Sunny intervals 50.3713 -4.1348
Southampton Southampton – No data 50.9093 -1.403
Reading Reading – Partly cloudy night 51.4523 -0.9724
Stoke-on-Trent Stoke-on-Trent – Partly cloudy night 53.0024 -2.178
Caernarfon Caernarfon – Partly cloudy night 53.1393 -4.2727
Milton Keynes Milton Keynes – Clear night 52.0382 -0.7555
Nottingham Nottingham – Clear night 52.9545 -1.1565

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