Rainbow Lake Weather Forecast

    • 42
    • 61

    Mostly Sunny

    • 44
    • 63

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 33
    • 48

    Slight Chance Rain

    • 34
    • 47

    Mostly Cloudy

    • 33
    • 48

    Slight Chance Rain/Snow

Today 20 Oct Kootenai/Cabinet Region

Mostly cloudy in the morning then clearing. Patchy fog early in the morning. Areas of fog late in the morning. Highs in the 60s.

Tonight 20 Oct Kootenai/Cabinet Region

Mostly clear. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

October Temperature

Mullan Pass, Mullan Pass Vor (42.3 miles)

  • Lowest 11 October, 2026

    24.1 °F

  • Average October

    45.3 °F

  • Highest 4 October, 2026

    69.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (42.3 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.8 °F

  • Average High 2021–2026

    46.1 °F
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