Norwalk Weather Forecast

    • 62
    • 82

    Mostly Cloudy

    • 59
    • 81

    Partly Sunny

    • 55
    • 82

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 64
    • 82

    Chance Rain Showers

    • 65
    • 85

    Chance Rain Showers

Today 25 Aug Monroe

Patchy fog this morning. Mostly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 25 Aug Monroe

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Norwalk Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (9.9 miles)

  • Lowest 20 August, 2026

    43.7 °F

  • Average August

    69.6 °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

    58.3 °F
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