Sparta/Fort McCoy Airport Weather Forecast

    • 42
    • 74

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 51
    • 78

    Rain Showers

    • 39
    • 64

    Chance Rain Showers

    • 37
    • 61

    Partly Sunny

    • 39
    • 61

    Mostly Cloudy

Today 21 Apr Monroe

Mostly sunny. Much warmer with Highs in the mid 70s. Southwest Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 21 Apr Monroe

Clear. Lows in the lower 40s. North Winds around 5 Mph, becoming east after midnight.

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Sparta/Fort McCoy Airport Temperature Statistics

April Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 7 April, 2026

    12 °F

  • Average April

    47.1 °F

  • Highest 17 April, 2026

    80.2 °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

    47.5 °F

  • Average High 2021–2026

    58.2 °F
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