Gleason Lake Weather Forecast

    • 28
    • 43

    Mostly Sunny

    • 32
    • 48

    Mostly Sunny

    • 37
    • 54

    Sunny

    • 40
    • 59

    Mostly Sunny

    • 39
    • 59

    Partly Sunny

    • 41
    • 56

    Mostly Sunny

Today 13 Oct Bitterroot/Sapphire Mountains

Partly cloudy until late afternoon then becoming sunny. Areas of fog early in the morning. Highs in the 40s to lower 50s.

Tonight 13 Oct Bitterroot/Sapphire Mountains

Mostly clear. Patchy fog after midnight. Lows in the 20s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gleason Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (43.5 miles)

  • Lowest 11 October, 2026

    32 °F

  • Average October

    53.8 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (43.5 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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