Clear Lake Weather Forecast

    • 44
    • 64

    Increasing Clouds

    • 43
    • 62

    Mostly Sunny

    • 45
    • 63

    Mostly Sunny

    • 45
    • 63

    Mostly Sunny

    • 41
    • 60

    Slight Chance Rain/Snow

    • 33
    • 45

    Chance Rain/Snow

Today 5 Oct Lower Clark Fork Region

Mostly sunny. Highs in the mid 70s to lower 80s. Southwest Winds to 15 Mph.

Tonight 5 Oct Lower Clark Fork Region

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

October Temperature

Mullan Pass, Mullan Pass Vor (17.4 miles)

  • Lowest 1 October, 2026

    41 °F

  • Average October

    48.9 °F

  • Highest 2 October, 2026

    60.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (17.4 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.7 °F

  • Average High 2021–2026

    46 °F
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