Onalaska Weather Forecast

    • 62
    • 82

    Slight Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 63
    • 83

    Chance Thunderstorms

    • 59
    • 80

    Chance Rain Showers

    • 63
    • 82

    Slight Chance Rain Showers

Today 1 Aug La Crosse

Mostly cloudy this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Warmer with Highs in the lower 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 1 Aug La Crosse

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows around 60. Light Winds. Chance of rain 20 percent.

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Onalaska Temperature Statistics

August Temperature

La Crosse - La Crosse Regional Airport (0.6 miles)

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Climate (2021–2026)

La Crosse - La Crosse Regional Airport (0.6 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    59.9 °F
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