Porthmadog Weather Forecast

    • 16
    • 21

    Light rain

    • 14
    • 20

    Light rain shower

    • 13
    • 18

    Sunny day

    • 15
    • 18

    Cloudy

    • 14
    • 19

    Partly cloudy

    • 14
    • 18

    Partly cloudy

Today 3 Aug Wales

Periods of rain through the morning with heavier bursts possible in places. Much drier by the afternoon with plenty of sunny spells developing. After a humid start, turning fresher. Breezy. Maximum Temperature 23C.

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Porthmadog Temperature Statistics

August Temperature

Capel Curig Saws (22km)

  • Lowest 1 August, 2025

    12.9 °C

  • Average August

    13 °C

  • Highest 1 August, 2025

    13.3 °C

Climate (2020–Present)

Capel Curig Saws (22km)

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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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