Jamestown Weather Forecast

    • 14
    • 22

    Snow

    • -1
    • 19

    Partly Sunny

    • 13
    • 19

    Slight Chance Snow

    • 26
    • 35

    Rain/Snow Likely

    • 14
    • 32

    Chance Snow

    • 9
    • 23

    Slight Chance Snow

Today 6 Dec Grant

Partly sunny in the Morning, then mostly cloudy with a chance of snow in the afternoon. Snow accumulation little or no. Highs in the lower 20s. Light Winds, becoming northeast in the afternoon. Chance of snow 50 percent.

Tonight 6 Dec Grant

Snow. Snow accumulation of 2 to 4 Inches. Lows around 13. Northeast Winds 5 to 10 Mph. Chance of snow 90 percent.

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Jamestown Temperature Statistics

December Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 1 December, 2025

    7.7 °F

  • Average December

    20.2 °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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