Rock Lake Weather Forecast

    • 46
    • 69

    Mostly Sunny

    • 47
    • 71

    Sunny

    • 48
    • 72

    Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 77

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

Today 20 Aug Kootenai/Cabinet Region

Mostly sunny. Slight chance of rain early in the afternoon. Slight chance of Showers and Thunderstorms late in the afternoon. Chance of precipitation 20 percent. Highs in the 80s.

Tonight 20 Aug Kootenai/Cabinet Region

Mostly clear. Lows in the mid 40s to lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

August Temperature

Mullan Pass, Mullan Pass Vor (41.6 miles)

  • Lowest 8 August, 2025

    40.6 °F

  • Average August

    60 °F

  • Highest 11 August, 2025

    79.6 °F

Climate (2020–Present)

Mullan Pass, Mullan Pass Vor (41.6 miles)

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  • Average Low 2020–2025

    33.6 °F

  • Average 2020–2025

    39.6 °F

  • Average High 2020–2025

    46 °F
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