Johnson Lake Weather Forecast

    • 44
    • 52

    Chance Rain

    • 42
    • 59

    Rain

    • 42
    • 55

    Rain

    • 36
    • 50

    Chance Rain/Snow

    • 37
    • 46

    Rain/Snow

    • 32
    • 46

    Chance Rain/Snow

    • 33
    • 43

    Chance Rain/Snow

Today 14 Dec Washington Palouse

Mostly sunny. Highs in the lower to mid 50s. South wind 5 to 10 Mph.

Tonight 14 Dec Washington Palouse

Mostly cloudy with a 20 percent chance of rain. Lows in the lower to mid 40s. Southeast wind 5 to 10 Mph.

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Johnson Lake Temperature Statistics

December Temperature

Pullman / Moscow Regional Airport (38.5 miles)

  • Lowest 1 December, 2025

    26.1 °F

  • Average December

    41.2 °F

  • Highest 10 December, 2025

    59 °F

Climate (2020–Present)

Pullman / Moscow Regional Airport (38.5 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    59.4 °F
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