St Merryn Weather Forecast

    • 16
    • 19

    Light rain

    • 13
    • 19

    Partly cloudy

    • 13
    • 19

    Sunny day

    • 15
    • 20

    Sunny day

    • 15
    • 20

    Cloudy

    • 17
    • 22

    Cloudy

Today 19 Aug South West England

Further scattered showers for Cornwall and Devon, these locally heavy. Further east it will be more settled with sunny spells developing, especially through the afternoon. Feeling warm in the sunshine. Maximum Temperature 23C.

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St Merryn Temperature Statistics

August Temperature

Cardinham (22km)

  • Lowest 2 August, 2025

    8.9 °C

  • Average August

    16.7 °C

  • Highest 15 August, 2025

    26 °C

Climate (2020–Present)

Cardinham (22km)

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  • Average Low 2020–2025

    7.9 °C

  • Average 2020–2025

    10.8 °C

  • Average High 2020–2025

    13.9 °C
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