Garth (Porthmadog) Weather Forecast

    • 15
    • 26

    Sunny day

    • 15
    • 25

    Sunny day

    • 15
    • 22

    Partly cloudy

    • 14
    • 21

    Cloudy

    • 12
    • 19

    Partly cloudy

    • 13
    • 19

    Sunny day

    • 14
    • 19

    Partly cloudy

Today 16 Aug Wales

A cloudier start to the day is possible for some, but sunny spells soon developing. Mainly sunny by the afternoon and turning very warm. Breezy, especially in southern coastal regions. Maximum Temperature 27C.

Tonight 16 Aug Wales

A warm and sunny evening followed by a dry night with generally clear skies. The odd mist patch developing by dawn. A slightly fresher night for most. Minimum Temperature 11C.

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Garth (Porthmadog) Temperature Statistics

August Temperature

Capel Curig Saws (23km)

  • Lowest 10 August, 2025

    7.2 °C

  • Average August

    15.8 °C

  • Highest 12 August, 2025

    27.7 °C

Climate (2020–Present)

Capel Curig Saws (23km)

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  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.8 °C

  • Average High 2020–2025

    12.6 °C
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