Lake Onalaska Weather Forecast

    • 67
    • 83

    Thunderstorms Likely

    • 64
    • 80

    Rain Showers Likely

    • 60
    • 78

    Rain Showers Likely

    • 62
    • 80

    Chance Rain Showers

    • 70
    • 83

    Chance Thunderstorms

    • 73
    • 89

    Slight Chance Thunderstorms

Today 16 Jun La Crosse

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 16 Jun La Crosse

Showers and Thunderstorms likely in the Evening, then Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Onalaska Temperature Statistics

June Temperature

La Crosse - La Crosse Regional Airport (2.5 miles)

  • Lowest 1 June, 2025

    46.7 °F

  • Average June

    66.6 °F

  • Highest 2 June, 2025

    89.7 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.8 °F
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