Sparta/Fort McCoy Airport Weather Forecast

    • 43
    • 63

    Mostly Cloudy

    • 48
    • 67

    Mostly Cloudy

    • 50
    • 73

    Slight Chance Rain Showers

    • 53
    • 80

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

Today 21 May Monroe

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 21 May Monroe

Mostly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph.

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Sparta/Fort McCoy Airport Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    53.5 °F

  • Highest 15 May, 2026

    84.9 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (0 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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