Fish Lake Weather Forecast

    • 39
    • 60

    Increasing Clouds

    • 44
    • 57

    Rain Showers Likely

    • 40
    • 59

    Slight Chance Rain Showers

    • 42
    • 63

    Partly Sunny

    • 43
    • 64

    Partly Sunny

    • 41
    • 62

    Partly Sunny

Today 28 Sep Kootenai/Cabinet Region

Mostly sunny. Highs in the 60s.

Tonight 28 Sep Kootenai/Cabinet Region

Partly cloudy. Lows in the mid 30s to lower 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 26 September, 2026

    33.1 °F

  • Average September

    56.5 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (32.9 miles)

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  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
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