Sparta/Fort McCoy Airport Weather Forecast

    • 56
    • 81

    Decreasing Clouds

    • 52
    • 82

    Mostly Sunny

    • 60
    • 84

    Partly Sunny

    • 64
    • 82

    Rain Showers Likely

    • 67
    • 87

    Chance Rain Showers

    • 63
    • 88

    Partly Sunny

    • 61
    • 87

    Partly Sunny

Today 26 Aug Monroe

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the mid 70s. Northwest Winds 10 to 15 Mph.

Tonight 26 Aug Monroe

Partly cloudy with a slight chance of Showers this Evening, then mostly clear after midnight. Lows in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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Sparta/Fort McCoy Airport Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 20 August, 2026

    43.7 °F

  • Average August

    68.9 °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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