Johnson Lake Weather Forecast

    • 34
    • 45

    Increasing Clouds

    • 40
    • 46

    Rain Likely

    • 36
    • 48

    Rain Likely

    • 37
    • 50

    Rain

    • 29
    • 44

    Rain/Snow Likely

    • 30
    • 41

    Mostly Cloudy

    • 31
    • 43

    Mostly Cloudy

Today 22 Dec Washington Palouse

Mostly cloudy with a chance of rain in the Morning, then mostly sunny in the afternoon. Highs in the lower to mid 40s. Southwest wind 5 to 15 Mph. Chance of precipitation 20 percent.

Tonight 22 Dec Washington Palouse

Mostly cloudy. A chance of rain in the evening. Lows in the lower to mid 30s. Southeast wind 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Lake Temperature Statistics

December Temperature

Pullman / Moscow Regional Airport (38.5 miles)

  • Lowest 1 December, 2025

    26.1 °F

  • Average December

    41.5 °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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