Porthmadog Weather Forecast

    • 12
    • 19

    Sunny day

    • 18
    • 27

    Sunny day

    • 16
    • 25

    Partly cloudy

    • 16
    • 20

    Cloudy

    • 14
    • 18

    Light rain shower

    • 15
    • 18

    Cloudy

    • 14
    • 18

    Cloudy

Today 18 Jun Wales

Any cloud or mist clearing relatively quickly, leaving a fine day with plenty of strong sunshine and high UV levels. Feeling very warm with a light breeze around the coasts. Maximum Temperature 24C.

Tonight 18 Jun Wales

A fine end to Wednesday with late evening sunshine. Then a dry night with largely clear skies and a few mist and fog patches. A mild night for many, particularly in the south. Minimum Temperature 11C.

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Porthmadog Temperature Statistics

June Temperature

Capel Curig Saws (22km)

  • Lowest 11 June, 2025

    3.7 °C

  • Average June

    12.6 °C

  • Highest 11 June, 2025

    23.3 °C

Climate (2020–Present)

Capel Curig Saws (22km)

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  • Average Low 2020–2025

    6.7 °C

  • Average 2020–2025

    9.7 °C

  • Average High 2020–2025

    12.5 °C
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