LaCrosse Weather Forecast

    • 48
    • 76

    Becoming Sunny

    • 52
    • 82

    Mostly Sunny

    • 48
    • 82

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 45
    • 70

    Chance Rain Showers

    • 44
    • 70

    Mostly Sunny

Today 8 Sep Washington Palouse

Mostly cloudy in the morning then clearing. Highs in the upper 60s to mid 70s. Light wind.

Tonight 8 Sep Washington Palouse

Mostly clear. Lows in the 40s. Light wind.

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  • Temperature Real-Time

LaCrosse Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (36 miles)

  • Lowest 5 September, 2026

    42.1 °F

  • Average September

    59.2 °F

  • Highest 1 September, 2026

    77.6 °F

Climate (2021–2026)

Pullman / Moscow Regional Airport (36 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    59.6 °F
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