Sparta/Fort McCoy Airport Weather Forecast

    • 68
    • 76

    Rain Showers

    • 71
    • 87

    Chance Thunderstorms

    • 70
    • 89

    Chance Rain Showers

    • 69
    • 89

    Chance Rain Showers

    • 64
    • 87

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

Today 29 Aug Monroe

Showers with a slight chance of Thunderstorms. Highs in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 100 percent.

Tonight 29 Aug Monroe

Partly cloudy this Evening, then becoming mostly cloudy. Warmer with Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sparta/Fort McCoy Airport Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 20 August, 2026

    43.7 °F

  • Average August

    68.8 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (0 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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