Big Four Lake Weather Forecast

    • 43
    • 58

    Mostly Cloudy

    • 46
    • 63

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 52
    • 72

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 53
    • 73

    Mostly Sunny

Today 28 Apr Northwest Blue Mountains

Partly cloudy in the Morning, becoming mostly cloudy. Highs in the 50s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Apr Northwest Blue Mountains

Mostly cloudy. Lows in the mid 30s to lower 40s. Gusts up to 20 Mph in the evening.

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Big Four Lake Temperature Statistics

April Temperature

Pullman / Moscow Regional Airport (42.3 miles)

  • Lowest 8 April, 2026

    27.6 °F

  • Average April

    47.5 °F

  • Highest 10 April, 2026

    70.6 °F

Climate (2021–Present)

Pullman / Moscow Regional Airport (42.3 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    59.6 °F
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