Norwalk Weather Forecast

    • 55
    • 76

    Chance Rain Showers

    • 49
    • 78

    Partly Sunny

    • 50
    • 82

    Mostly Sunny

    • 57
    • 83

    Partly Sunny

    • 61
    • 85

    Chance Rain Showers

    • 61
    • 85

    Chance Thunderstorms

Today 31 May Monroe

Mostly cloudy. Near steady temperature in the mid 70s. Southeast Winds 5 to 10 Mph.

Tonight 31 May Monroe

Mostly cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Lows in the mid 50s. Light Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    57.6 °F

  • Highest 26 May, 2026

    89.8 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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