Black Rock Sands Porthmadog Weather Forecast

    • 2
    • 6

    Cloudy

    • 2
    • 6

    Light rain

    • 1
    • 6

    Cloudy

    • 6
    • 7

    Light rain

    • 6
    • 9

    Light rain shower

    • 5
    • 9

    Light rain

Today 8 Jan Wales

Most likely a dry start Thursday. Then an increasing risk of heavy rain, sleet and some snow, along with strong winds, which may linger into Friday. Sunshine and showers Saturday.

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Black Rock Sands Porthmadog Temperature Statistics

January Temperature

Capel Curig Saws (26km)

  • Lowest 4 January, 2026

    -0.5 °C

  • Average January

    2.6 °C

  • Highest 1 January, 2026

    5.6 °C

Climate (2021–Present)

Capel Curig Saws (26km)

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  • Average Low 2021–2026

    6.8 °C

  • Average 2021–2026

    9.8 °C

  • Average High 2021–2026

    12.7 °C
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