Norwalk Weather Forecast

    • 51
    • 79

    Mostly Sunny

    • 62
    • 81

    Chance Thunderstorms

    • 58
    • 81

    Partly Sunny

    • 54
    • 81

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 59
    • 80

    Slight Chance Thunderstorms

    • 61
    • 82

    Slight Chance Thunderstorms

Today 19 Aug Monroe

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph.

Tonight 19 Aug Monroe

Mostly clear. Lows around 50. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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  • 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

    70.3 °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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