Williamstown Weather Forecast

    • 12
    • 14

    Heavy rain

    • 8
    • 13

    Heavy rain

    • 4
    • 10

    Light rain shower

    • 2
    • 8

    Partly cloudy

    • 1
    • 6

    Partly cloudy

    • 4
    • 6

    Cloudy

Today 23 Nov Wales

Storm Bert bringing a widely unsettled and potentially disruptive day with heavy, persistent rain, hill snow and gales, severe along coasts. Turning noticeably milder, resulting in a rapid melt of lying snow. Maximum Temperature 15C.

Tonight 23 Nov Wales

Remaining unsettled this evening and overnight with further spells of heavy rain, especially over the highest ground, and becoming persistent by dawn. Very strong winds but mild. Minimum Temperature 8C.

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Williamstown Temperature Statistics

November Temperature

St-athan (22km)

  • Lowest 19 November, 2024

    0.3 °C

  • Average November

    8.9 °C

  • Highest 10 November, 2024

    14.5 °C

Climate (2019–Present)

St-athan (22km)

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  • Average Low 2019–2024

    8.7 °C

  • Average 2019–2024

    11.5 °C

  • Average High 2019–2024

    14.3 °C
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