Haights Bay Weather Forecast

    • 7
    • 20

    Chance Flurries

    • 20
    • 26

    Chance Snow

    • 3
    • 27

    Chance Snow

    • 5
    • 14

    Partly Sunny

    • 9
    • 19

    Mostly Cloudy

    • 11
    • 22

    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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Haights Bay Temperature Statistics

December Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 14 December, 2025

    -7.6 °F

  • Average December

    23.2 °F

  • Highest 18 December, 2025

    46.4 °F

Climate (2020–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
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