Jamestown Weather Forecast

    • 8
    • 29

    Snow Likely

    • 15
    • 21

    Snow Likely

    • 2
    • 22

    Chance Snow

    • -10
    • 8

    Chance Snow

    • -5
    • 6

    Cold

    • 6
    • 19

    Mostly Cloudy

Today 10 Dec Grant

Cloudy. Patchy blowing snow in the morning. A chance of snow in the Morning, then a slight chance of snow in the afternoon. Snow accumulation little or no. Breezy with Highs in the upper 20s. Temperature falling into the lower 20s in the afternoon. Northwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the morning. Chance of snow 50 percent.

Tonight 10 Dec Grant

Snow with rain likely. Patchy blowing snow. Snow accumulation little or no. Breezy with Lows in the mid 20s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

December Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 4 December, 2025

    -3.3 °F

  • Average December

    18.1 °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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