Heol-y-Cyw Weather Forecast

    • 19
    • 28

    Sunny day

    • 15
    • 25

    Cloudy

    • 13
    • 19

    Cloudy

    • 15
    • 17

    Partly cloudy

    • 16
    • 17

    Heavy rain

    • 15
    • 19

    Cloudy

    • 15
    • 18

    Light rain

Today 20 Jun Wales

Somewhat cloudier than yesterday with isolated showers this morning. Otherwise mainly dry with sunny periods, these developing more widely by this afternoon. Feeling hot in the sunshine though breezier than yesterday. Very high pollen levels. Maximum Temperature 28C.

Tonight 20 Jun Wales

Very warm and largely sunny this evening. Uncomfortably warm and humid overnight with showers and some lightning possible later. Low cloud and sea fog arriving in many western coastal regions. Minimum Temperature 18C.

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Heol-y-Cyw Temperature Statistics

June Temperature

St-athan (16km)

  • Lowest 8 June, 2025

    9.1 °C

  • Average June

    15 °C

  • Highest 11 June, 2025

    22.5 °C

Climate (2020–Present)

St-athan (16km)

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  • Average Low 2020–2025

    8.7 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.4 °C
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