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St-Athan (nearest observation site to Merthyr Tydfil)

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Merthyr Tydfil forecast
  • Sun
  • Mon
Sun 21 Dec 2014
2000 2100 2200 2300
Overcast Drizzle Light shower night Cloudy
11.1 11.1 11.4 11.4
Wind direction, speed & gust (mph) arrow down
W 22 36 W 24 36 W 21 32 WSW 19 30
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG
Humidity arrow down
94% 95% 93% 94%
Pressure (hPa) arrow down
1023 1022 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F
Sunrise: 08:16 Sunset: 16:07 Moon phase: New
Mon 22 Dec 2014
0000 0100 0200 0300 0400 0500 0600 0700 0800 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Overcast Overcast Drizzle Drizzle Overcast Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Cloudy Overcast Overcast Overcast
11.3 11.1 11.1 11.2 11.2 10.8 10.8 11.4 11.4 11.6 11.5 11.5 11.4 11.3 11.3 11.2 11.1 11.2 11.3 11.3
Wind direction, speed & gust (mph) arrow down
W 18 30 W 17 WSW 22 31 WSW 25 34 WSW 21 36 WSW 22 33 WSW 24 36 WSW 26 39 WSW 25 38 WSW 26 39 WSW 25 37 WSW 26 38 WSW 25 38 WSW 25 36 WSW 24 34 WSW 23 36 WSW 22 33 WSW 25 37 WSW 23 36 W 25 36
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG M G G M VG VG G G G G G G G G VG G G G
Humidity arrow down
95% 97% 99% 99% 98% 98% 96% 89% 89% 86% 86% 86% 88% 89% 88% 87% 84% 84% 86% 87%
Pressure (hPa) arrow down
1022 1021 1021 1020 1020 1020 1019 1019 1019 1019 1019 1019 1019 1018 1019 1019 1019 1019 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F R R R F F F F R R R R
Sunrise: 08:17 Sunset: 16:07 Moon phase: New
leftEarlier Laterright
More detail arrow down

Issued at: 2000 on Mon 22 Dec 2014

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 13.0 °C
Lowest maximum temperature Tredegar Bryn Bach Park 9.2 °C
Lowest minimum temperature Usk No.2 3.1 °C
Highest rainfall Lake Vyrnwy 6.4 mm
Sunniest Hawarden 1.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Hereford 14.0 °C
Lowest maximum temperature Braemar 8.7 °C
Lowest minimum temperature South Newington 0.3 °C
Highest rainfall Cluanie Inn 89.0 mm
Sunniest Hawarden 1.9 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 Sun 21 Dec 2014

Weather map

Mon 2000

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Overcast 51.7483 -3.3804
Swansea Swansea – No data 51.621 -3.9424
Hereford Hereford – Overcast 52.056 -2.7146
Newtown (Powys) Newtown (Powys) – Overcast 52.5118 -3.3118
Barnstaple Barnstaple – Overcast 51.0777 -4.0571
Aberystwyth Aberystwyth – Overcast 52.415 -4.0817
Yeovil Yeovil – Overcast 50.9416 -2.632
Pembroke Pembroke – Overcast 51.6731 -4.9084
Swindon Swindon – Overcast 51.5556 -1.7784
Exeter Exeter – No data 50.7179 -3.5327
Birmingham Birmingham – Overcast 52.4859 -1.889
Banbury Banbury – Overcast 52.0625 -1.3383
Wrexham Wrexham – Overcast 53.0428 -2.9911
Stoke-on-Trent Stoke-on-Trent – Overcast 53.0024 -2.178
Plymouth Plymouth – Cloudy 50.3713 -4.1348
Southampton Southampton – No data 50.9093 -1.403
Caernarfon Caernarfon – Overcast 53.1393 -4.2727
Reading Reading – Cloudy 51.4523 -0.9724
Milton Keynes Milton Keynes – Cloudy 52.0382 -0.7555
Nottingham Nottingham – Overcast 52.9545 -1.1565

Location Details

Merthyr Tydfil

Location: 51.7483, -3.3804

Altitude: 175m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49 m above mean sea level

Distance from Merthyr Tydfil: 38.4 km