Johnson Lake Weather Forecast

    • 41
    • 64

    Decreasing Clouds

    • 43
    • 66

    Partly Sunny

    • 45
    • 70

    Mostly Sunny

    • 47
    • 74

    Partly Sunny

    • 49
    • 76

    Partly Sunny

    • 52
    • 75

    Mostly Cloudy

Today 27 Apr Washington Palouse

Mostly cloudy. Widespread frost in the morning. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 50s to mid 60s. South wind 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 27 Apr Washington Palouse

Partly cloudy. A chance of rain Showers in the evening. Lows in the upper 30s to lower 40s. South wind 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Johnson Lake Temperature Statistics

April Temperature

Pullman / Moscow Regional Airport (38.5 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 (38.5 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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