Johnstone Weather Forecast

    • 12
    • 21

    Cloudy

    • 7
    • 18

    Cloudy

    • 11
    • 19

    Cloudy

    • 9
    • 19

    Cloudy

    • 10
    • 18

    Partly cloudy

    • 11
    • 18

    Partly cloudy

    • 13
    • 17

    Partly cloudy

Today 22 Sep South West England

Cloud across Devon and Cornwall will start to lift through the day, bringing sunny spells across the region. Slightly warmer than previous days in light winds. Maximum temperature 23 °C.

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Johnstone Temperature Statistics

September Temperature

Liscombe (15km)

  • Lowest 9 September, 2026

    7.3 °C

  • Average September

    14.3 °C

  • Highest 6 September, 2026

    24.1 °C

Climate (2021–2026)

Liscombe (15km)

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  • Average Low 2021–2026

    7 °C

  • Average 2021–2026

    10 °C

  • Average High 2021–2026

    13.4 °C
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