Norwalk Weather Forecast

    • 71
    • 87

    Chance Thunderstorms

    • 67
    • 89

    Slight Chance Thunderstorms

    • 68
    • 87

    Rain Showers Likely

    • 66
    • 87

    Chance Rain Showers

    • 65
    • 85

    Chance Rain Showers

    • 63
    • 85

    Slight Chance Thunderstorms

Today 30 Aug Monroe

Partly sunny with a slight chance of Showers and Thunderstorms. Warmer with Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values in the mid 90s this afternoon.

Tonight 30 Aug Monroe

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 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 20 August, 2026

    43.7 °F

  • Average August

    68.6 °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

    58.4 °F
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