Ranger Lake Weather Forecast

    • 46
    • 58

    Mostly Sunny

    • 41
    • 61

    Rain Likely

    • 37
    • 54

    Mostly Cloudy

    • 34
    • 51

    Rain/Snow

    • 33
    • 38

    Rain/Snow

    • 34
    • 45

    Mostly Sunny

    • 36
    • 51

    Partly Sunny

Today 9 Sep Southern Clearwater Mountains

Mostly sunny. Patchy fog early in the morning. Highs 66 to 81.

Tonight 9 Sep Southern Clearwater Mountains

Mostly clear. Lows 38 to 53.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ranger Lake Temperature Statistics

September Temperature

Missoula, Missoula International Airport (31.7 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    59.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (31.7 miles)

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

  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.7 °F
Get WillyWeather+ to remove ads