Norwalk Weather Forecast

    • 60
    • 83

    Chance Thunderstorms

    • 58
    • 76

    Rain Showers Likely

    • 59
    • 73

    Chance Thunderstorms

    • 60
    • 75

    Chance Thunderstorms

    • 57
    • 75

    Chance Rain Showers

    • 54
    • 73

    Slight Chance Rain Showers

Today 18 Sep Monroe

Mostly cloudy with a chance of Showers early this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 18 Sep Monroe

Mostly cloudy with a chance of Showers. A chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. Lows around 60. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

September Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 7 September, 2025

    32.9 °F

  • Average September

    61.3 °F

  • Highest 16 September, 2025

    87.1 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

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

  • Average Low 2020–2025

    34.5 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    57.9 °F
Get WillyWeather+ to remove ads