Rainbow Lake Weather Forecast

    • 49
    • 55

    Mostly Cloudy

    • 41
    • 62

    Rain

    • 39
    • 51

    Partly Sunny

    • 44
    • 52

    Rain Likely

    • 48
    • 56

    Rain Likely

    • 48
    • 58

    Rain

Today 31 Oct Northwest Blue Mountains

Mostly cloudy. Highs in the upper 40s to lower 50s.

Tonight 31 Oct Northwest Blue Mountains

Cloudy. Lows in the 40s. South wind 5 to 15 Mph overnight.

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  • Temperature Real-Time

Rainbow Lake Temperature Statistics

October Temperature

Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)

  • Lowest 28 October, 2025

    34 °F

  • Average October

    53.7 °F

  • Highest 8 October, 2025

    80.1 °F

Climate (2020–Present)

Lewiston, Lewiston-Nez Perce County Airport (31.1 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    65.9 °F
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