Weather Merthyr Tydfil

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


7°C 45°F 7°C 45°F East South Easterly
8km/h 5mph

Thick Cloud

10°C 50°F 8°C 46°F Easterly
21km/h 13mph


10°C 50°F 4°C 39°F East North Easterly
13km/h 8mph

Light Cloud

7°C 45°F 3°C 37°F North Easterly
14km/h 9mph

Light Cloud

5°C 41°F 1°C 34°F East North Easterly
13km/h 8mph



Sunrise 07:52 Sunset 16:10

Last updated 04:03

Weather forecast details for Thursday 27 November. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0600 hours0900 hours1200 hours1500 hours1800 hours2100 hours0000 hours
0300 hours
Weather Conditions Fog Light Cloud Light Cloud Thick Cloud Thick Cloud Light Cloud Thick Cloud Light Cloud
Temperature (°C/°F) 6°C 43°F 6°C 43°F 7°C 45°F 7°C 45°F 7°C 45°F 8°C 46°F 8°C 46°F 8°C 46°F
Wind Speed (mph/km/h) 3km/h 2mph Easterly 8km/h 5mph East South Easterly 8km/h 5mph South Easterly 10km/h 6mph East South Easterly 13km/h 8mph Easterly 16km/h 10mph East South Easterly 18km/h 11mph Easterly 18km/h 11mph Easterly
Wind Direction E ESE SE ESE E ESE E E
Humidity 97% 97% 91% 89% 95% 95% 93% 94%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VP M M M M M M M
Pressure (Millibars) 1003 1002 1001 1000 1000 1000 999 1000


Forecast Summary

  • Today

    Another largely cloudy and murky day for most, with widespread hill fog and the odd spot of drizzle over higher ground, especially this morning. However, the a few brighter spells may develop, particularly across western areas at times.

  • Tonight

    A good deal of dry weather overnight, though still drizzly over some hills. Becoming cloudy and misty for many, but some clearer spells in the west. Becoming increasingly breezy.

Environmental Summary

UV: 1

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

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BBC Wales Today

BBC Wales Today Forecast Last updated 19:05, Wednesday 26 Nov Forecast updated Monday to Friday only


UK Forecast Last updated 23:38, Wednesday 26 Nov


Observed at 04:00, Thursday 27 November


5°C 41°F

5km/h 3mph North Easterly

Humidity: 99%

Visibility: Very Poor

Pressure: 1005mb, Falling

Observation station: Sennybridge

(Lat: 52.067 | Lon: -3.617)

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