Fish Lake Weather Forecast

    • 43
    • 57

    Rain Likely

    • 44
    • 67

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

Today 15 Sep Kootenai/Cabinet Region

Cloudy with a 50 percent chance of Areas of rain. Areas of fog early in the morning. Highs in the upper 50s to mid 60s.

Tonight 15 Sep Kootenai/Cabinet Region

Mostly cloudy until early morning then becoming partly cloudy. A 50 percent chance of Areas of rain until early morning. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fish Lake Temperature Statistics

September Temperature

Kalispell, Glacier Park International Airport (32.9 miles)

  • Lowest 1 September, 2026

    41.6 °F

  • Average September

    57.9 °F

  • Highest 1 September, 2026

    84.7 °F

Climate (2021–2026)

Kalispell, Glacier Park International Airport (32.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.4 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    57 °F
Get WillyWeather+ to remove ads