Sparta/Fort McCoy Airport Weather Forecast

    • 52
    • 80

    Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 49
    • 79

    Partly Sunny

    • 48
    • 71

    Rain Showers Likely

    • 56
    • 72

    Rain Showers

    • 48
    • 70

    Slight Chance Rain Showers

    • 50
    • 67

    Chance Rain Showers

Today 10 Sep Monroe

Mostly sunny. Highs in the upper 70s. Light Winds.

Tonight 10 Sep Monroe

Clear. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sparta/Fort McCoy Airport Temperature Statistics

September Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 7 September, 2026

    57.9 °F

  • Average September

    73.9 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (0 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.5 °F
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