Belmont Mound State Park Weather Forecast

    • -1
    • 24

    Decreasing Clouds

    • -7
    • 5

    Chance Snow Showers

    • -4
    • 5

    Cold

    • 11
    • 23

    Partly Sunny

    • 25
    • 33

    Mostly Cloudy

    • 27
    • 40

    Chance Rain

    • 14
    • 36

    Partly Sunny

Today 12 Dec Lafayette

Cloudy. West Winds 10 to 15 Mph.

Tonight 12 Dec Lafayette

Colder, cloudy. Chance of snow Showers and freezing drizzle in the Evening, then chance of Flurries late in the evening. Lows around 1 below. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 20 percent.

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Belmont Mound State Park Temperature Statistics

December Temperature

Platteville Municipal Airport (6.8 miles)

  • Lowest 4 December, 2025

    -3.3 °F

  • Average December

    19.9 °F

  • Highest 10 December, 2025

    38.7 °F

Climate (2020–Present)

Platteville Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    58.6 °F
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