Norwalk Weather Forecast

    • 54
    • 81

    Mostly Sunny

    • 61
    • 83

    Partly Sunny

    • 64
    • 79

    Rain Showers Likely

    • 69
    • 86

    Chance Thunderstorms

    • 66
    • 86

    Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

Today 27 Aug Monroe

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 27 Aug Monroe

Partly cloudy in the Evening, then becoming mostly clear. Lows in the lower 50s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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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

    68.9 °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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