Llantarnam Weather Forecast

    • 5
    • 9

    Cloudy

    • -1
    • 8

    Sunny day

    • 8
    • 9

    Cloudy

    • 8
    • 13

    Light rain

    • 5
    • 11

    Light rain

    • 3
    • 9

    Light rain shower

Today 24 Nov Wales

Cloudy and wet to start on Monday as bands of rain push southeastwards. Turning drier in the east with brighter spells through the afternoon, though showers continue to feed into the west. Feeling cold in the brisk northerly winds. Maximum Temperature 9C.

Tonight 24 Nov Wales

Largely clear and dry in the east overnight, though remaining cloudy in the far west with a continuous feed of showers. Under clear skies isolated frost patches may develop. Minimum Temperature 5C.

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Llantarnam Temperature Statistics

November Temperature

St-athan (39km)

  • Lowest 21 November, 2025

    -1.3 °C

  • Average November

    10.3 °C

  • Highest 5 November, 2025

    15.9 °C

Climate (2020–Present)

St-athan (39km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    11.7 °C

  • Average High 2020–2025

    14.5 °C
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