Long Lake Weather Forecast

    • 54
    • 63

    Rain Showers

    • 48
    • 69

    Mostly Cloudy

    • 44
    • 65

    Mostly Cloudy

    • 42
    • 64

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 49
    • 69

    Partly Sunny

Today 19 Sep La Crosse

A chance of Thunderstorms. Showers. Highs in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 19 Sep La Crosse

Cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Lake Temperature Statistics

September Temperature

La Crosse - La Crosse Regional Airport (10.6 miles)

  • Lowest 14 September, 2026

    46.7 °F

  • Average September

    70.8 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

La Crosse - La Crosse Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59.9 °F
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