Clear Lake Weather Forecast

    • 37
    • 45

    Chance Rain

    • 36
    • 50

    Rain

    • 23
    • 38

    Snow Likely

    • 25
    • 38

    Mostly Cloudy

    • 31
    • 42

    Chance Rain/Snow

    • 31
    • 43

    Rain/Snow Likely

Today 19 Mar Lower Clark Fork Region

Partly cloudy. A 20 percent chance of rain in the late morning and early afternoon. Highs in the mid 50s to lower 60s. Windy with southwest Winds 20 to 30 Mph.

Tonight 19 Mar Lower Clark Fork Region

Mostly cloudy. A 20 percent chance of rain after midnight. Lows in the 40s. Southwest Winds to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

March Temperature

Mullan Pass, Mullan Pass Vor (17.4 miles)

  • Lowest 15 March, 2026

    8.1 °F

  • Average March

    26.6 °F

  • Highest 1 March, 2026

    43 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (17.4 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    39.9 °F

  • Average High 2021–2026

    46.3 °F
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