Johnson Lake Weather Forecast

    • 38
    • 62

    Increasing Clouds

    • 42
    • 64

    Partly Sunny

    • 42
    • 65

    Partly Sunny

    • 45
    • 69

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

    • 48
    • 74

    Partly Sunny

Today 26 Apr Washington Palouse

Partly cloudy. Widespread frost in the morning. A chance of rain Showers in the afternoon. Highs in the mid 50s to lower 60s. Light Wind, becoming west 5 to 10 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 26 Apr Washington Palouse

Partly cloudy. Areas of frost overnight. Lows in the 30s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • 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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