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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Friday

Heavy Rain

16°C 61°F 11°C 52°F South Westerly
Wind Speed 11 km/h 7 mph
Saturday

Light Rain

16°C 61°F 10°C 50°F South Easterly
Wind Speed 14 km/h 9 mph
Sunday

Light Rain Shower

18°C 64°F 12°C 54°F Westerly
Wind Speed 14 km/h 9 mph
Monday

Light Cloud

20°C 68°F 11°C 52°F North North Westerly
Wind Speed 16 km/h 10 mph
Tuesday

Sunny Intervals

20°C 68°F 13°C 55°F Westerly
Wind Speed 13 km/h 8 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:20 Sunset 21:19

Last updated 06:04

Weather forecast details for Friday 21 July. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0700 hours1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Sat
0400 hours
Weather Conditions Heavy Rain Heavy Rain Heavy Rain Heavy Rain Light Rain Partly Cloudy Partly Cloudy Partly Cloudy
Temperature (°C/°F) 14°C 57°F 15°C 59°F 14°C 57°F 13°C 55°F 13°C 55°F 12°C 54°F 11°C 52°F 11°C 52°F
Wind Speed (mph/km/h) Wind Speed 14 km/h 9 mph Southerly Wind Speed 23 km/h 14 mph South South Easterly Wind Speed 11 km/h 7 mph South Westerly Wind Speed 11 km/h 7 mph Southerly Wind Speed 11 km/h 7 mph Southerly Wind Speed 8 km/h 5 mph Southerly Wind Speed 6 km/h 4 mph South South Easterly Wind Speed 10 km/h 6 mph South South Easterly
Wind Direction S SSE SW S S S SSE SSE
Humidity 93% 92% 89% 91% 89% 90% 92% 92%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) PPPMGVGVGVG
Pressure (Millibars) 1003 1002 1002 1002 1002 1003 1004 1004

Wales

Forecast Summary

  • Today

    There will be heavy and persistent rain this morning, but this slowly clearing through the afternoon and evening to be followed by showers and sunny spells. It will also be windy, with gales likely along coasts and over higher ground.

  • Tonight

    The rain will continue to clear east this evening. Through the early hours it will be drier with clear spells, although some showers are likely, mainly in the west.

Environmental Summary

UV: 2

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

Met Office Warnings Issued For: Merthyr Tydfil

  1. Yellow warning of rain

    From:
    0500 on Fri 21 July
    To:
    1900 on Fri 21 July
    Updated 20 July at 09:22 Active

    Warning

    A brief spell of heavy rain and strong winds could lead to difficult travel conditions, as the summer holiday season starts for some.

    Standing water and spray may make journeys longer, and could lead to minor surface water flooding. Winds could be sufficiently strong to cause some bridge restrictions, and bring down branches from trees. Conditions could also be hazardous for those engaged in outdoor activities.

  2. Yellow warning of wind

    From:
    0500 on Fri 21 July
    To:
    1900 on Fri 21 July
    Updated 20 July at 09:22 Active

    Warning

    A brief spell of heavy rain and strong winds could lead to difficult travel conditions, as the summer holiday season starts for some.

    Standing water and spray may make journeys longer, and could lead to minor surface water flooding. Winds could be sufficiently strong to cause some bridge restrictions, and bring down branches from trees. Conditions could also be hazardous for those engaged in outdoor activities.

A list of all UK Warnings can be found on our More UK Weather page.

Weather Warnings Key

  • Red: Take action
  • Amber: Be prepared
  • Yellow: Be aware

Issued by the Met Office

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Last updated 19:06 BST, Thursday 20 JulForecast updated Monday to Friday only

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Last updated 23:37 BST, Thursday 20 Jul

Observations

Observed at 05:00, Friday 21 July

Heavy Rain Shower

15°C 59°F

Wind Speed 18 km/h 11 mph Southerly

Humidity: 95%

Visibility: Moderate

Pressure: 1004mb, 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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