Sparta Weather Forecast

    • 12
    • 28

    Snow

    • 6
    • 20

    Snow

    • -3
    • 17

    Partly Sunny

    • 11
    • 21

    Snow Likely

    • 21
    • 35

    Rain/Snow

    • 9
    • 30

    Slight Chance Snow

    • 3
    • 22

    Slight Chance Snow

Today 5 Dec Monroe

Snow. Snow accumulation little or no. Not as cold. Near steady temperature in the mid 20s. Southwest Winds 5 to 10 Mph. Chance of snow 90 percent.

Tonight 5 Dec Monroe

Cloudy. A chance of snow this evening. Snow accumulation little or no. Lows around 12. West Winds 5 to 10 Mph. Chance of snow 50 percent.

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Sparta Temperature Statistics

December Temperature

Sparta, Sparta / Fort McCoy Airport (3.7 miles)

  • Lowest 3 December, 2025

    3.6 °F

  • Average December

    18.9 °F

  • Highest 3 December, 2025

    29.8 °F

Climate (2020–Present)

Sparta, Sparta / Fort McCoy Airport (3.7 miles)

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  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    58.1 °F
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