Hergert Lake Weather Forecast

    • 53
    • 80

    Chance Rain Showers

    • 49
    • 78

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

Today 17 Sep Washington Palouse

Sunny in the Morning, becoming partly cloudy. Highs in the lower 70s to lower 80s. North wind 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 17 Sep Washington Palouse

Mostly cloudy. A chance of rain Showers. Lows in the upper 40s to lower 50s. South wind 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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Hergert Lake Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (39.8 miles)

  • Lowest 5 September, 2026

    42.7 °F

  • Average September

    59.7 °F

  • Highest 10 September, 2026

    80.7 °F

Climate (2021–2026)

Pullman / Moscow Regional Airport (39.8 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    59.6 °F
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