Jamestown Weather Forecast

    • 26
    • 34

    Rain/Snow

    • 10
    • 31

    Chance Snow

    • 8
    • 21

    Chance Snow

    • -5
    • 17

    Slight Chance Snow

    • -6
    • 5

    Cold

    • 3
    • 10

    Cold

Today 9 Dec Grant

Cloudy. A chance of rain and freezing rain in the afternoon. Ice accumulation of less than one tenth of an inch. Not as cold with Highs in the mid 30s. West Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of precipitation 50 percent.

Tonight 9 Dec Grant

Rain, snow and freezing rain in the Evening, then snow likely with a chance of rain after midnight. Snow accumulation little or no. Ice accumulation of less than one tenth of an inch. Breezy with Lows in the mid 20s. Southwest Winds 10 to 20 Mph, becoming west 15 to 25 Mph after midnight. Gusts up to 40 Mph. Chance of precipitation 100 percent.

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Jamestown Temperature Statistics

December Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 4 December, 2025

    -3.3 °F

  • Average December

    18.8 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    58.7 °F
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