Cygnet Lake Weather Forecast

    • 44
    • 73

    Mostly Sunny

    • 46
    • 78

    Sunny

    • 47
    • 79

    Mostly Sunny

    • 49
    • 78

    Partly Sunny

    • 47
    • 75

    Partly Sunny

    • 42
    • 64

    Partly Sunny

Today 16 Sep Potomac/Seeley Lake Region

Warmer. Mostly sunny. Highs in the mid 70s. East Winds up to 5 Mph.

Tonight 16 Sep Potomac/Seeley Lake Region

Mostly clear. Lows 39 to 49. East Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cygnet Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (37.9 miles)

  • Lowest 13 September, 2025

    46.9 °F

  • Average September

    66.7 °F

  • Highest 2 September, 2025

    96.1 °F

Climate (2020–Present)

Missoula, Missoula International Airport (37.9 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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