Loch Lomond and the Trossachs National Park Weather Forecast

    • 12
    • 16

    Cloudy

    • 10
    • 16

    Partly cloudy

    • 7
    • 13

    Light rain

    • 4
    • 13

    Partly cloudy

    • 6
    • 13

    Cloudy

    • 7
    • 14

    Cloudy

Today 18 Sep Central and Tayside and Fife

The chance of an odd shower in the west at times otherwise a dry day with sunny periods increasing from late morning. Maximum Temperature 18C.

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Loch Lomond and the Trossachs National Park Temperature Statistics

September Temperature

Glasgow/bishopton (38km)

  • Lowest 14 September, 2025

    5.2 °C

  • Average September

    12.8 °C

  • Highest 6 September, 2025

    19.1 °C

Climate (2020–Present)

Glasgow/bishopton (38km)

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  • Average Low 2020–2025

    6.4 °C

  • Average 2020–2025

    9.6 °C

  • Average High 2020–2025

    13.1 °C
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