Rock Lake Weather Forecast

    • 34
    • 47

    Chance Rain

    • 35
    • 50

    Chance Rain

    • 36
    • 53

    Chance Rain

    • 40
    • 59

    Chance Rain

    • 45
    • 66

    Mostly Sunny

    • 45
    • 71

    Partly Sunny

Today 21 May Kootenai/Cabinet Region

Partly cloudy. Areas of frost and patchy fog early in the morning. A 40 percent chance of Areas of rain in the afternoon. Highs in the upper 50s to mid 60s.

Tonight 21 May Kootenai/Cabinet Region

Partly cloudy. Areas of frost after midnight. Lows in the 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

May Temperature

Mullan Pass, Mullan Pass Vor (41.6 miles)

  • Lowest 18 May, 2025

    28 °F

  • Average May

    43.8 °F

  • Highest 2 May, 2025

    66.7 °F

Climate (2020–Present)

Mullan Pass, Mullan Pass Vor (41.6 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    39.4 °F

  • Average High 2020–2025

    45.7 °F
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