Due to essential maintenance work on 7 December 2016 you may experience some disruption to services through the Met Office web site. This is most likely to occur between 1000 and 1200. We are sorry for any inconvenience this may cause.

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St-Athan (nearest observation site to Merthyr Tydfil)

Recent locations
Merthyr Tydfil forecast
Mon 05 Dec 2016
1500 1600 1700 1800 1900 2000 2100 2200 2300
Overcast Overcast Mist Mist Overcast Overcast Drizzle Drizzle Overcast
4.8 ° 4.8 ° 4.8 ° 4.9 ° 5.3 ° 5.4 ° 5.6 ° 5.4 ° 5.9 °
Wind direction, speed & gust (mph) arrow down
ENE 14 ENE 11 ENE 13 ENE 14 ENE 14 ENE 13 ENE 10 ENE 9 ENE 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M P P M M M M M
Humidity arrow down
93% 92% 95% 95% 93% 91% 90% 91% 91%
Pressure (hPa) arrow down
1022 1023 1023 1023 1023 1024 1024 1024 1024
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R R R R R R
Tue 06 Dec 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500
Drizzle Drizzle Drizzle Drizzle Drizzle Drizzle Drizzle Light rain Drizzle Fog Drizzle Drizzle Drizzle Drizzle Drizzle Drizzle
6.0 ° 6.2 ° 6.0 ° 6.3 ° 6.3 ° 6.5 ° 6.7 ° 6.5 ° 6.7 ° 6.8 ° 7.4 ° 7.6 ° 8.3 ° 8.7 ° 9.1 ° 9.0 °
Wind direction, speed & gust (mph) arrow down
ENE 10 NE 7 NE 8 ENE 8 ENE 9 ENE 7 ENE 6 ENE 6 ENE 6 ENE 5 ENE 6 ENE 7 ENE 6 ENE 7 E 6 E 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M P P VP VP VP VP VP P VP VP VP P P P P
Humidity arrow down
92% 96% 97% 100% 100% 100% 100% 100% 99% 100% 100% 100% 100% 100% 100% 99%
Pressure (hPa) arrow down
1024 1025 1025 1024 1024 1024 1025 1025 1026 1026 1026 1026 1026 1025 1025 1025
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R F F F R R R R R R F F F F
More detail arrow down

Issued at: 1500 on Tue 6 Dec 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Trawsgoed 11.2 °C
Lowest maximum temperature Lake Vyrnwy 1.2 °C
Lowest minimum temperature Hawarden -3.6 °C
Highest rainfall Lake Vyrnwy 0.2 mm
Sunniest Valley 1.6 hours

UK extremes

Parameter Location Value
Highest maximum temperature Plymouth 12.1 °C
Lowest maximum temperature Aviemore -3.3 °C
Lowest minimum temperature Aviemore -9.8 °C
Highest rainfall Lerwick 0.6 mm
Sunniest Odiham 5.9 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)

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 Mon 5 Dec 2016

Weather map

Tue 1500

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Drizzle 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 – Sunny day 52.344 -3.947
Yeovilton Yeovilton – Overcast 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Overcast 51.708 -5.055
Lyneham Lyneham – Overcast 51.5031 -1.9924
Exeter Airport 2 Exeter Airport 2 – Overcast 50.7366 -3.40458
Coleshill Coleshill – Mist 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – No data 51.86 -1.692
Hawarden Hawarden – Overcast 53.174 -2.986
Leek Leek – Overcast 53.12755 -1.97993
Mount Batten Mount Batten – Overcast 50.354 -4.121
Middle Wallop Middle Wallop – Mist 51.149 -1.57
Mona Mona – Cloudy 53.26 -4.376
Benson Benson – Overcast 51.62 -1.097
Bedford Bedford – Drizzle 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