Norwalk Weather Forecast

    • 52
    • 73

    Chance Rain Showers

    • 56
    • 68

    Rain Showers

    • 52
    • 71

    Rain Showers

    • 47
    • 66

    Mostly Cloudy

    • 46
    • 62

    Slight Chance Rain Showers

    • 47
    • 64

    Mostly Cloudy

Today 17 Sep Monroe

Mostly cloudy. A chance of Sprinkles late this morning. Highs in the lower 70s. East Winds around 5 Mph.

Tonight 17 Sep Monroe

Mostly cloudy. Lows in the lower 50s. Light Winds.

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  • 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

    69.3 °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

    47.8 °F

  • Average High 2021–2026

    58.5 °F
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