St Illtyd Weather Forecast

    • 13
    • 16

    Heavy rain

    • 15
    • 20

    Cloudy

    • 15
    • 21

    Cloudy

    • 14
    • 21

    Light rain shower

    • 13
    • 20

    Light rain

    • 13
    • 19

    Heavy rain shower

Today 15 Jul Wales

An unsettled start with heavy spells of thundery rain, especially in the north. Scattered heavy showers following behind with brighter intervals developing through the afternoon. Windy and cooler. Maximum Temperature 21C.

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St Illtyd Temperature Statistics

July Temperature

St-athan (40km)

  • Lowest 3 July, 2025

    10.6 °C

  • Average July

    18.4 °C

  • Highest 11 July, 2025

    30.1 °C

Climate (2020–Present)

St-athan (40km)

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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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