Pentyrch Weather Forecast

    • 12
    • 18

    Cloudy

    • 15
    • 18

    Light rain

    • 16
    • 19

    Heavy rain

    • 17
    • 20

    Cloudy

    • 13
    • 20

    Cloudy

    • 14
    • 20

    Cloudy

    • 14
    • 21

    Cloudy

Today 31 Aug Wales

A showery morning, with a few heavy or thundery downpours possible. Showers should ease this afternoon as high pressure builds in, allowing brighter spells to develop. Temperatures near average. Maximum temperature 21 °C.

Tonight 31 Aug Wales

Any remaining showers will soon fade this evening, leaving a dry night with clear spells. It will stay mild, with a few mist patches developing. Minimum temperature 11 °C.

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Pentyrch Temperature Statistics

August Temperature

St-athan (17km)

  • Lowest 7 August, 2026

    9.6 °C

  • Average August

    18.8 °C

  • Highest 12 August, 2026

    33.2 °C

Climate (2021–2026)

St-athan (17km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    14.8 °C
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