Hergert Lake Weather Forecast

    • 48
    • 75

    Decreasing Clouds

    • 52
    • 82

    Mostly Cloudy

    • 44
    • 69

    Rain Showers

    • 42
    • 65

    Partly Sunny

    • 42
    • 66

    Mostly Cloudy

    • 44
    • 67

    Partly Sunny

Today 23 Sep Washington Palouse

Partly cloudy. Highs in the lower to mid 70s. Southwest wind 5 to 10 Mph.

Tonight 23 Sep Washington Palouse

Partly cloudy. Lows in the mid to upper 40s. 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

    59.9 °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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