Summit Weather Forecast

    • 51
    • 72

    Mostly Cloudy

    • 59
    • 74

    Chance Rain Showers

    • 58
    • 75

    Rain Showers Likely

    • 59
    • 68

    Rain Showers

    • 58
    • 71

    Chance Thunderstorms

    • 54
    • 68

    Slight Chance Rain Showers

    • 51
    • 68

    Partly Sunny

Today 15 Sep La Crosse

Mostly cloudy. Near steady temperature around 70. West Winds 5 to 10 Mph.

Tonight 15 Sep La Crosse

Mostly cloudy this Evening, then becoming partly cloudy. Lows around 50. Northwest Winds around 5 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Temperature Statistics

September Temperature

La Crosse - La Crosse Regional Airport (1.9 miles)

  • Lowest 13 September, 2026

    50 °F

  • Average September

    73.5 °F

  • Highest 1 September, 2026

    90.6 °F

Climate (2021–2026)

La Crosse - La Crosse Regional Airport (1.9 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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