Square Lake Weather Forecast

    • 49
    • 62

    Partly Sunny

    • 44
    • 65

    Mostly Sunny

    • 44
    • 64

    Partly Sunny

    • 36
    • 59

    Chance Rain

    • 29
    • 42

    Chance Rain/Snow

    • 26
    • 32

    Slight Chance Snow

    • 28
    • 37

    Partly Sunny

Today 6 Oct Lower Clark Fork Region

Mostly sunny. A 20 percent chance of snow in the morning. Highs in the 50s.

Tonight 6 Oct Lower Clark Fork Region

Partly cloudy. Lows in the upper 30s to mid 40s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Square Lake Temperature Statistics

October Temperature

Mullan Pass, Mullan Pass Vor (19.3 miles)

  • Lowest 1 October, 2026

    41 °F

  • Average October

    51.9 °F

  • Highest 4 October, 2026

    69.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (19.3 miles)

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

  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.7 °F

  • Average High 2021–2026

    46 °F
Get WillyWeather+ to remove ads