Fort McCoy Weather Forecast

    • 43
    • 69

    Increasing Clouds

    • 48
    • 78

    Mostly Sunny

    • 40
    • 74

    Partly Sunny

    • 37
    • 69

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 46
    • 77

    Slight Chance Thunderstorms

Today 5 May Monroe

Mostly sunny. Highs in the upper 60s. Northeast Winds 5 to 10 Mph.

Tonight 5 May Monroe

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph, becoming southwest after midnight.

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Fort McCoy Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (4.3 miles)

  • Lowest 3 May, 2025

    39.7 °F

  • Average May

    49.9 °F

  • Highest 3 May, 2025

    61.3 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (4.3 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.8 °F
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