Heolgerrig Weather Forecast

    • 1
    • 4

    Sunny day

    • 4
    • 8

    Light rain

    • 4
    • 7

    Light rain shower

    • 2
    • 7

    Cloudy

    • -1
    • 6

    Sunny day

    • 3
    • 6

    Cloudy

    • 5
    • 9

    Light rain

Today 21 Nov Wales

A cold and frosty start for many with icy stretches in places. Otherwise a dry and sunny day with lighter winds than of late. Sunshine turning hazier later by the afternoon. Feeling less cold in the lighter winds. Maximum Temperature 7C.

Tonight 21 Nov Wales

A cold evening, but becoming cloudier and windier with outbreaks of rain pushing eastwards overnight. Temperatures rising through the night. Minimum Temperature 0C.

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Heolgerrig Temperature Statistics

November Temperature

St-athan (37km)

  • Lowest 20 November, 2025

    0.6 °C

  • Average November

    10.7 °C

  • Highest 5 November, 2025

    15.9 °C

Climate (2020–Present)

St-athan (37km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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