Norwalk Weather Forecast

    • 68
    • 82

    Chance Thunderstorms

    • 57
    • 81

    Becoming Sunny

    • 62
    • 82

    Chance Rain Showers

    • 58
    • 82

    Chance Thunderstorms

    • 53
    • 77

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 58
    • 79

    Chance Rain Showers

Today 15 Aug Monroe

Partly sunny. Near steady temperature in the lower 80s. Light Winds.

Tonight 15 Aug Monroe

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. Light Winds, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norwalk Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 6 August, 2026

    48.6 °F

  • Average August

    70.8 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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