Norwalk Weather Forecast

    • 50
    • 82

    Mostly Sunny

    • 53
    • 79

    Sunny

    • 62
    • 81

    Chance Rain Showers

    • 51
    • 78

    Partly Sunny

    • 56
    • 74

    Rain Showers

    • 56
    • 80

    Rain Showers

    • 50
    • 71

    Mostly Cloudy

Today 9 Sep Monroe

Mostly sunny. Near steady temperature around 80. West Winds 10 to 15 Mph.

Tonight 9 Sep Monroe

Mostly clear. Much cooler with Lows around 50. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

September Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 7 September, 2026

    57.9 °F

  • Average September

    74.3 °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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