Cayuse Lake Weather Forecast

    • 31
    • 45

    Increasing Clouds

    • 38
    • 54

    Gradual Clearing

    • 35
    • 53

    Mostly Sunny

    • 42
    • 55

    Partly Sunny

    • 40
    • 52

    Partly Sunny

    • 42
    • 57

    Partly Sunny

    • 39
    • 54

    Partly Sunny

Today 26 Sep Northern Clearwater Mountains

Mostly sunny. Highs in the mid 60s to lower 70s.

Tonight 26 Sep Northern Clearwater Mountains

Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cayuse Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (42.3 miles)

  • Lowest 9 September, 2026

    38.6 °F

  • Average September

    59 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (42.3 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
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