Weather Merthyr Tydfil

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

Sunny Intervals

16°C 61°F 10°C 50°F North Westerly
Wind Speed 16 km/h 10 mph

Sunny Intervals

15°C 59°F 6°C 43°F North North Easterly
Wind Speed 14 km/h 9 mph

Light Cloud

15°C 59°F 9°C 48°F Northerly
Wind Speed 10 km/h 6 mph

Thick Cloud

16°C 61°F 11°C 52°F North Easterly
Wind Speed 6 km/h 4 mph

Light Cloud

15°C 59°F 11°C 52°F East South Easterly
Wind Speed 11 km/h 7 mph



Sunrise 06:30 Sunset 19:54

Last updated 15:07

Weather forecast details for Friday 4 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1600 hours1900 hours2200 hours0100 hours
0400 hours   
Weather Conditions Sunny Intervals Sunny Partly Cloudy Thick Cloud Light Cloud    
Temperature (°C/°F) 15°C 59°F 14°C 57°F 12°C 54°F 12°C 54°F 12°C 54°F    
Wind Speed (mph/km/h) Wind Speed 18 km/h 11 mph North Westerly Wind Speed 14 km/h 9 mph North Westerly Wind Speed 6 km/h 4 mph West North Westerly Wind Speed 8 km/h 5 mph West North Westerly Wind Speed 11 km/h 7 mph North Westerly    
Wind Direction NW NW WNW WNW NW    
Humidity 60% 67% 80% 92% 87%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGVGVGGVG   
Pressure (Millibars) 1019 1020 1021 1020 1020    


Forecast Summary

  • Today

    A fairly cloudy day however, there should be some brighter spells too, especially in the south. Most should stay dry, though cloud will thicken into the evening brining some light rain. Temperatures will feel cool for the time of year.

  • Tonight

    Staying cloudy tonight with some further outbreaks of light rain. Towards dawn the cloud should start to break up giving a cool but dry and clearer start to the weekend.

Environmental Summary

UV: 3

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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BBC Wales Today

BBC Wales Today Forecast Last updated 14:49, Friday 4 Sep Forecast updated Monday to Friday only


UK Forecast Last updated 12:12, Friday 4 Sep


Observed at 15:00, Friday 4 September

Sunny Intervals

17°C 63°F

Wind Speed 24 km/h 15 mph North Westerly

Humidity: 54%

Visibility: Very Good

Pressure: 1019mb, 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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