Peterson Lake Weather Forecast

    • 32
    • 49

    Increasing Clouds

    • 31
    • 52

    Rain Likely

    • 37
    • 52

    Rain

    • 35
    • 53

    Rain

    • 33
    • 49

    Chance Rain

    • 34
    • 50

    Chance Rain

Today 16 Oct Flathead/Mission Valleys

Mostly sunny. Widespread frost and patchy fog in the morning. Highs in the mid 40s to lower 50s.

Tonight 16 Oct Flathead/Mission Valleys

Partly cloudy. Widespread frost after midnight. Lows in the mid 20s to lower 30s.

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Peterson Lake Temperature Statistics

October Temperature

Kalispell, Glacier Park International Airport (15.5 miles)

  • Lowest 6 October, 2025

    26.1 °F

  • Average October

    47.6 °F

  • Highest 9 October, 2025

    73.9 °F

Climate (2020–Present)

Kalispell, Glacier Park International Airport (15.5 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    56.8 °F
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