Trempealeau Weather Forecast

    • 65
    • 84

    Chance Thunderstorms

    • 63
    • 85

    Chance Rain Showers

    • 62
    • 84

    Slight Chance Thunderstorms

    • 60
    • 81

    Slight Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

Today 15 Sep Trempealeau

Partly sunny with a chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 15 Sep Trempealeau

Mostly cloudy with a chance of Showers. A chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Trempealeau Temperature Statistics

September Temperature

La Crosse - La Crosse Regional Airport (12.4 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    62.7 °F

  • Highest 12 September, 2025

    86 °F

Climate (2020–Present)

La Crosse - La Crosse Regional Airport (12.4 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    59.8 °F
Get WillyWeather+ to remove ads