Norwalk Weather Forecast

    • 60
    • 73

    Rain Showers Likely

    • 44
    • 68

    Chance Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 45
    • 65

    Partly Sunny

    • 37
    • 64

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

Today 30 Sep Monroe

Mostly cloudy. A chance of Showers this Morning, then a slight chance of Showers this afternoon. Highs in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 30 Sep Monroe

Cloudy. A chance of Showers in the Evening, then Showers likely after midnight. Humid with Lows around 60. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

September Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 14 September, 2026

    36.9 °F

  • Average September

    64.9 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.4 °F
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