Norwalk Weather Forecast

    • 66
    • 80

    Rain Showers Likely

    • 53
    • 82

    Partly Sunny

    • 52
    • 77

    Sunny

    • 61
    • 81

    Rain Showers Likely

    • 51
    • 78

    Partly Sunny

    • 51
    • 71

    Chance Rain Showers

    • 54
    • 73

    Chance Rain Showers

Today 8 Sep Monroe

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 8 Sep Monroe

Mostly cloudy with a chance of Showers and Thunderstorms. Patchy fog after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 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 6 September, 2026

    59.7 °F

  • Average September

    75.1 °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

    35.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    58.5 °F
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