Fort McCoy Weather Forecast

    • 53
    • 82

    Chance Rain Showers

    • 50
    • 79

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 60
    • 81

    Partly Sunny

    • 56
    • 82

    Mostly Sunny

Today 21 Aug Monroe

Partly sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 21 Aug Monroe

Partly cloudy in the Evening, then clearing. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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Fort McCoy Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (4.3 miles)

  • Lowest 6 August, 2026

    48.6 °F

  • Average August

    70 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (4.3 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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