St Agnes Weather Forecast

    • 16
    • 21

    Light rain

    • 16
    • 20

    Thunder

    • 14
    • 20

    Thunder

    • 14
    • 19

    Partly cloudy

    • 15
    • 20

    Partly cloudy

    • 15
    • 20

    Cloudy

    • 16
    • 20

    Partly cloudy

Today 28 Aug South West England

Heavy showers continue to move eastward through the morning with isolated showers following in behind. Another rather warm day ahead, with temperatures above average for the time of year. Maximum temperature 25 °C.

Tonight 28 Aug South West England

Bright end to the afternoon with sunny spells giving way to clear spells overnight. Turning increasing cloudy from the west from midnight with outbreaks of heavy and thundery rain arriving. Minimum temperature 14 °C.

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St Agnes Temperature Statistics

August Temperature

Lyneham (40km)

  • Lowest 23 August, 2026

    9.4 °C

  • Average August

    19.3 °C

  • Highest 13 August, 2026

    35.2 °C

Climate (2021–2026)

Lyneham (40km)

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  • Average Low 2021–2026

    7.7 °C

  • Average 2021–2026

    11.2 °C

  • Average High 2021–2026

    14.8 °C
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