Big Four Lake Weather Forecast

    • 49
    • 54

    Mostly Cloudy

    • 40
    • 60

    Rain

    • 39
    • 50

    Partly Sunny

    • 44
    • 52

    Rain Likely

    • 47
    • 55

    Rain Likely

    • 47
    • 57

    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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Big Four Lake Temperature Statistics

October Temperature

Pullman / Moscow Regional Airport (42.3 miles)

  • Lowest 16 October, 2025

    27 °F

  • Average October

    48.7 °F

  • Highest 9 October, 2025

    75.9 °F

Climate (2020–Present)

Pullman / Moscow Regional Airport (42.3 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    59.3 °F
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