Long Lake Weather Forecast

    • 64
    • 86

    Decreasing Clouds

    • 64
    • 83

    Mostly Cloudy

    • 66
    • 83

    Rain Showers Likely

    • 65
    • 88

    Rain Showers Likely

    • 58
    • 81

    Partly Sunny

    • 59
    • 80

    Partly Sunny

Today 5 Sep La Crosse

Mostly cloudy this Morning, then becoming mostly sunny. Areas of fog this morning. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 5 Sep La Crosse

Partly cloudy. Humid with Lows in the lower 60s. East Winds 5 to 10 Mph.

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Long Lake Temperature Statistics

September Temperature

La Crosse - La Crosse Regional Airport (10.6 miles)

  • Lowest 2 September, 2026

    66 °F

  • Average September

    78.7 °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

    40.8 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59.9 °F
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