Big Lake Weather Forecast

    • 50
    • 65

    Increasing Clouds

    • 49
    • 65

    Partly Sunny

    • 50
    • 68

    Mostly Sunny

    • 51
    • 70

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 51
    • 68

    Partly Sunny

Today 18 Sep Eastern Toole and Liberty

Mostly sunny. Highs 68 to 74. North Winds 5 to 10 Mph.

Tonight 18 Sep Eastern Toole and Liberty

Mostly cloudy. Lows around 50. Northeast Winds 5 to 10 Mph.

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Big Lake Temperature Statistics

September Temperature

Cut Bank, Cut Bank Municipal Airport (47.2 miles)

  • Lowest 1 September, 2026

    39.7 °F

  • Average September

    55.4 °F

  • Highest 1 September, 2026

    82.7 °F

Climate (2021–2026)

Cut Bank, Cut Bank Municipal Airport (47.2 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    43.8 °F

  • Average High 2021–2026

    55.5 °F
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