Norwalk Weather Forecast

    • 50
    • 79

    Mostly Cloudy

    • 54
    • 79

    Mostly Cloudy

    • 53
    • 82

    Mostly Cloudy

    • 53
    • 83

    Mostly Sunny

    • 58
    • 84

    Partly Sunny

    • 63
    • 85

    Chance Thunderstorms

Today 30 May Monroe

Partly sunny. Highs around 80. East Winds 10 to 15 Mph.

Tonight 30 May Monroe

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph.

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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

    57.3 °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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