Fish Lake Weather Forecast

    • 43
    • 60

    Rain Likely

    • 42
    • 60

    Rain Likely

    • 41
    • 60

    Rain Likely

    • 45
    • 64

    Chance Rain

    • 44
    • 60

    Rain Showers Likely

    • 44
    • 63

    Slight Chance Rain

Today 3 Sep Kootenai/Cabinet Region

Mostly cloudy. A 50 percent chance of Areas of rain until late afternoon. Patchy fog in the morning. Highs in the 60s to lower 70s.

Tonight 3 Sep Kootenai/Cabinet Region

Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fish Lake Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (32.9 miles)

  • Lowest 1 September, 2026

    42.1 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2026

    82.9 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (32.9 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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