Llanfyllin Weather Forecast

    • 13
    • 18

    Cloudy

    • 15
    • 19

    Light rain

    • 14
    • 19

    Cloudy

    • 8
    • 16

    Heavy rain

    • 6
    • 12

    Light rain shower

    • 5
    • 13

    Partly cloudy

    • 7
    • 14

    Cloudy

Today 17 Sep Wales

Heaviest and most persistent rain clearing eastwards through the morning, though remaining cloudy with outbreaks of patchy rain and drizzle throughout the day, turning heavy at times over the hills. Breezy. Maximum Temperature 19C.

Tonight 17 Sep Wales

Rain persisting throughout this evening and overnight, this turning heavy at times especially over the hills and mountains. Windy for all, especially along the coasts, and feeling humid. Minimum Temperature 8C.

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Llanfyllin Temperature Statistics

September Temperature

Lake Vyrnwy Saws (12km)

  • Lowest 13 September, 2025

    7.2 °C

  • Average September

    11.6 °C

  • Highest 6 September, 2025

    18.2 °C

Climate (2020–Present)

Lake Vyrnwy Saws (12km)

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  • Average Low 2020–2025

    6.1 °C

  • Average 2020–2025

    8.8 °C

  • Average High 2020–2025

    11.7 °C
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