St Harmon Weather Forecast

    • 7
    • 17

    Partly cloudy

    • 15
    • 18

    Light rain

    • 13
    • 19

    Cloudy

    • 13
    • 19

    Light rain

    • 10
    • 16

    Partly cloudy

    • 12
    • 15

    Cloudy

Today 11 Sep Wales

Isolated showers first thing Friday morning, but dissipating under a ridge of high pressure. This leaves brighter spells in the afternoon, especially in the west. Temperatures will be near average. Maximum temperature 20 °C.

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St Harmon Temperature Statistics

September Temperature

Trawsgoed (31km)

  • Lowest 10 September, 2026

    6.2 °C

  • Average September

    15.4 °C

  • Highest 6 September, 2026

    24.7 °C

Climate (2021–2026)

Trawsgoed (31km)

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  • Average Low 2021–2026

    7 °C

  • Average 2021–2026

    11.1 °C

  • Average High 2021–2026

    14.6 °C
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