Fort Atkinson Weather Forecast

    • 7
    • 22

    Chance Flurries

    • 20
    • 26

    Chance Snow

    • 2
    • 27

    Chance Snow

    • 9
    • 14

    Partly Sunny

    • 11
    • 19

    Mostly Cloudy

    • 14
    • 22

    Mostly Cloudy

    • 21
    • 26

    Mostly Cloudy

Today 29 Dec Jefferson

Colder, breezy. Mostly cloudy. Patchy blowing snow early in the afternoon. Chance of Flurries through the day. Highs in the lower 20s. Northwest Winds 15 to 25 Mph.

Tonight 29 Dec Jefferson

Mostly cloudy through around midnight then becoming partly cloudy. Lows around 7. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Fort Atkinson Temperature Statistics

December Temperature

Watertown (17.4 miles)

  • Lowest 14 December, 2025

    -7.2 °F

  • Average December

    22 °F

  • Highest 23 December, 2025

    43.3 °F

Climate (2020–Present)

Watertown (17.4 miles)

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  • Average Low 2020–2025

    35.7 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    54.5 °F
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