Sparta/Fort McCoy Airport Weather Forecast

    • 47
    • 78

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 57
    • 83

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 55
    • 82

    Partly Sunny

Today 23 Aug Monroe

Mostly sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 Aug Monroe

Mostly clear in the Evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 40s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sparta/Fort McCoy Airport Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (0 miles)

  • Lowest 20 August, 2026

    43.7 °F

  • Average August

    69.8 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
Get WillyWeather+ to remove ads