Hergert Lake Weather Forecast

    • 54
    • 86

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

    • 52
    • 79

    Partly Sunny

    • 49
    • 75

    Partly Sunny

    • 51
    • 77

    Mostly Cloudy

    • 47
    • 72

    Chance Rain Showers

Today 20 Sep Washington Palouse

Sunny. Highs in the upper 70s to mid 80s. Light wind.

Tonight 20 Sep Washington Palouse

Mostly clear. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hergert Lake Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (39.8 miles)

  • Lowest 16 September, 2026

    41.6 °F

  • Average September

    59.5 °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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