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St-Athan (nearest observation site to Merthyr Tydfil)

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Merthyr Tydfil forecast
Wed 22 Feb 2017
1500 1600 1700 1800 1900 2000 2100 2200 2300
Drizzle Light rain Drizzle Light shower night Drizzle Drizzle Light rain Overcast Overcast
9.4 ° 9.3 ° 9.4 ° 9.3 ° 9.3 ° 9.4 ° 9.4 ° 9.4 ° 9.5 °
Wind direction, speed & gust (mph) arrow down
W 19 32 W 23 36 WSW 23 36 W 24 34 W 22 33 WSW 23 33 WSW 22 33 WSW 21 31 WSW 21 33
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P P P P P P P P M
Humidity arrow down
100% 100% 99% 100% 100% 100% 100% 100% 100%
Pressure (hPa) arrow down
1009 1008 1008 1008 1008 1007 1007 1006 1005
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F
Thu 23 Feb 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500
Overcast Mist Heavy shower night Overcast Overcast Overcast Heavy shower night Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Sunny intervals
9.3 ° 9.5 ° 9.3 ° 9.3 ° 9.0 ° 9.6 ° 9.3 ° 8.8 ° 8.6 ° 8.5 ° 8.6 ° 8.4 ° 8.7 ° 8.9 ° 9.0 ° 8.9 °
Wind direction, speed & gust (mph) arrow down
WSW 19 34 WSW 19 29 W 26 38 WSW 23 38 WSW 21 32 WSW 25 38 WSW 32 46 W 32 54 W 31 48 W 31 51 W 33 51 W 30 51 W 30 48 W 30 48 W 29 45 W 29 47
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G P G M G P M M M G M M G G G
Humidity arrow down
99% 98% 98% 94% 92% 88% 95% 82% 79% 75% 73% 73% 69% 71% 70% 68%
Pressure (hPa) arrow down
1004 1003 1002 1000 998 996 994 995 995 996 997 998 999 1000 1000 1001
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F R R R R R R R
More detail arrow down

Issued at: 1500 on Thu 23 Feb 2017

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 13.0 °C
Lowest maximum temperature Lake Vyrnwy 8.7 °C
Lowest minimum temperature Capel Curig 6.9 °C
Highest rainfall Capel Curig 34.2 mm
Sunniest Valley 0.0 hours

UK extremes

Parameter Location Value
Highest maximum temperature St James Park 14.8 °C
Lowest maximum temperature Dalwhinnie 4.7 °C
Lowest minimum temperature Loch Glascarnoch 1.3 °C
Highest rainfall Capel Curig 34.2 mm
Sunniest Dyce 8.4 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)

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: 2302 on Wed 22 Feb 2017

Weather map

Thu 1500

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Sunny intervals 51.7483 -3.3804
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Light shower day 52.083 -2.8
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – No data 52.757 -3.464
Chivenor Chivenor – Sunny day 51.089 -4.149
Trawsgoed Trawsgoed – Overcast 52.344 -3.947
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Sunny day 51.708 -5.055
Lyneham Lyneham – Cloudy 51.5031 -1.9924
Exeter Airport 2 Exeter Airport 2 – Cloudy 50.7366 -3.40458
Coleshill Coleshill – Light shower day 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Overcast 51.86 -1.692
Hawarden Hawarden – Overcast 53.174 -2.986
Leek Leek – Heavy rain 53.12755 -1.97993
Mount Batten Mount Batten – Light shower day 50.354 -4.121
Middle Wallop Middle Wallop – Sunny intervals 51.149 -1.57
Mona Mona – Cloudy 53.26 -4.376
Benson Benson – Cloudy 51.62 -1.097
Bedford Bedford – Light shower day 52.225 -0.464

Location Details

Merthyr Tydfil

Location: 51.7483, -3.3804

Altitude: 175.0 m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49.0 m above mean sea level

Distance from Merthyr Tydfil: 38.4 km