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St-Athan (nearest observation site to Merthyr Tydfil)

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Merthyr Tydfil forecast
  • Mon
  • Tue
Mon 30 Mar 2015
1700 1800 1900 2000 2100 2200 2300
Light rain Overcast Light shower day Overcast Light rain Light rain Overcast
9.1 10.3 10.7 10.4 9.9 9.7 9.7
Wind direction, speed & gust (mph) arrow down
SW 10 WSW 22 29 WSW 28 40 W 31 43 W 28 43 W 30 43 W 32 47
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G E M M M M
Humidity arrow down
90% 95% 92% 95% 97% 97% 97%
Pressure (hPa) arrow down
1008 1007 1005 1005 1004 1004 1002
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F
Sunrise: 06:54 Sunset: 19:42 Moon phase: Waxing gibbous
Tue 31 Mar 2015
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700
Light shower night Heavy rain Heavy shower night Light rain Cloudy Cloudy Cloudy Overcast Overcast Cloudy Light shower day Cloudy Cloudy Light shower day Cloudy Cloudy Sunny intervals Cloudy
9.8 9.8 9.8 9.8 9.5 9.1 9.1 8.9 9.1 9.0 9.1 9.6 10.0 9.3 10.3 10.0 10.1 9.9
Wind direction, speed & gust (mph) arrow down
W 34 47 W 31 48 W 34 49 W 34 55 W 28 48 W 30 48 W 28 45 W 26 43 W 26 43 WNW 25 39 WNW 22 40 W 22 33 W 22 37 W 21 34 W 28 38 W 28 40 W 28 40 W 26 40
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M P M G G G G G G VG VG VG VG VG VG G VG VG
Humidity arrow down
97% 97% 93% 89% 86% 74% 72% 75% 75% 66% 64% 63% 65% 71% 70% 66% 65% 70%
Pressure (hPa) arrow down
1001 1001 1001 1002 1003 1004 1004 1006 1008 1010 1012 1014 1015 1015 1016 1016 1017 1017
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F R R R R R R R R R R R R R R R
Sunrise: 06:51 Sunset: 19:44 Moon phase: Waxing gibbous
leftEarlier Laterright
More detail arrow down

Issued at: 1700 on Tue 31 Mar 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Rhyl 13.5 °C
Lowest maximum temperature Tredegar Bryn Bach Park 8.5 °C
Lowest minimum temperature Lake Vyrnwy 2.0 °C
Highest rainfall Capel Curig 29.8 mm
Sunniest St Athan 4.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Rhyl 13.5 °C
Lowest maximum temperature Tulloch Bridge 4.4 °C
Lowest minimum temperature Dalwhinnie -1.0 °C
Highest rainfall Tyndrum 30.0 mm
Sunniest Dyce 7.9 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: 0002 on Tue 31 Mar 2015

Weather map

Tue 1700

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Cloudy 51.7483 -3.3804
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Sunny intervals 52.083 -2.8
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Cloudy 52.757 -3.464
Chivenor Chivenor – Sunny intervals 51.089 -4.149
Trawsgoed Trawsgoed – Overcast 52.344 -3.947
Yeovilton Yeovilton – Sunny intervals 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Sunny intervals 51.708 -5.055
Lyneham Lyneham – Cloudy 51.5031 -1.9924
Exeter Airport Exeter Airport – No data 50.737 -3.405
Coleshill Coleshill – Sunny intervals 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Sunny intervals 51.86 -1.692
Hawarden Hawarden – Light shower day 53.174 -2.986
Leek Leek – Light shower day 53.12755 -1.97993
Mount Batten Mount Batten – Cloudy 50.354 -4.121
Valley Valley – Sunny intervals 53.252 -4.537
Benson Benson – Sunny intervals 51.62 -1.097
Bedford Bedford – Heavy shower day 52.225 -0.464
Watnall Watnall – Cloudy 53.005 -1.25

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