Weather Merthyr Tydfil

Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed

Heavy Rain

15°C 59°F 12°C 54°F East South Easterly
Wind Speed 23 km/h 14 mph

Heavy Rain

17°C 63°F 14°C 57°F Southerly
Wind Speed 14 km/h 9 mph

Heavy Rain

15°C 59°F 10°C 50°F South Easterly
Wind Speed 14 km/h 9 mph

Light Cloud

12°C 54°F 6°C 43°F West North Westerly
Wind Speed 24 km/h 15 mph

Light Cloud

13°C 55°F 8°C 46°F South South Westerly
Wind Speed 10 km/h 6 mph



Sunrise 07:19 Sunset 18:45

Last updated 15:11

Weather forecast details for Sunday 4 October. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2200 hours0100 hours
0400 hours    
Weather Conditions Light Cloud Light Cloud Heavy Rain Shower Heavy Rain     
Temperature (°C/°F) 13°C 55°F 12°C 54°F 12°C 54°F 13°C 55°F     
Wind Speed (mph/km/h) Wind Speed 13 km/h 8 mph East South Easterly Wind Speed 19 km/h 12 mph East South Easterly Wind Speed 23 km/h 14 mph East South Easterly Wind Speed 21 km/h 13 mph South Easterly     
Wind Direction ESE ESE ESE SE     
Humidity 76% 79% 88% 95%     
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) MMMM    
Pressure (Millibars) 1008 1006 1003 1000     


Forecast Summary

  • This Evening and Tonight

    It will turn wet and windy across all parts tonight with heavy rain at times, especially over higher ground. Gales are likely around exposed coastal parts of the west. Milder than of late.

Environmental Summary

UV: 3

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:02, Friday 2 Oct Forecast updated Monday to Friday only


UK Forecast Last updated 12:39, Sunday 4 Oct


Observed at 15:00, Sunday 4 October

Light Cloud

15°C 59°F

Wind Speed 21 km/h 13 mph Easterly

Humidity: 80%

Visibility: Moderate

Pressure: 1011mb, Falling

Observation station: Sennybridge

(Lat: 52.067 | Lon: -3.617)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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