Norwalk Weather Forecast

    • 47
    • 71

    Partly Sunny

    • 51
    • 68

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 50
    • 71

    Partly Sunny

    • 57
    • 69

    Rain Showers Likely

    • 54
    • 68

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

Today 25 Sep Monroe

Partly sunny with a 40 percent chance of Showers. Highs in the upper 60s.

Tonight 25 Sep Monroe

Partly cloudy. Lows in the upper 40s. Light Winds.

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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

    65.6 °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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