Jamestown Weather Forecast

    • 16
    • 21

    Mostly Cloudy

    • 13
    • 26

    Partly Sunny

    • 26
    • 29

    Mostly Cloudy

    • 31
    • 41

    Mostly Cloudy

    • 26
    • 42

    Mostly Cloudy

    • 29
    • 41

    Partly Sunny

Today 2 Jan Grant

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the lower 20s. Northwest Winds around 5 Mph.

Tonight 2 Jan Grant

Mostly cloudy. Lows around 13. Light Winds.

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Jamestown Temperature Statistics

January Temperature

Platteville Municipal Airport (8.7 miles)

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  • Average January

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Climate (2021–Present)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2021–2025

    40.7 °F

  • Average 2021–2025

    49.9 °F

  • Average High 2021–2025

    58.7 °F
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