Norwalk Weather Forecast

    • 41
    • 54

    Increasing Clouds

    • 41
    • 73

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 50
    • 75

    Rain Showers

    • 39
    • 62

    Chance Rain Showers

    • 36
    • 59

    Mostly Cloudy

Today 20 Apr Monroe

Widespread frost in the morning. Mostly sunny. Highs in the mid 50s. South Winds 5 to 10 Mph.

Tonight 20 Apr Monroe

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cool with Lows in the lower 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

April Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 7 April, 2026

    12 °F

  • Average April

    47.5 °F

  • Highest 17 April, 2026

    80.2 °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

    47.5 °F

  • Average High 2021–2026

    58.2 °F
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