Jana Airport Weather Forecast

    • 0
    • 12

    Increasing Clouds

    • 17
    • 24

    Mostly Cloudy

    • 7
    • 26

    Chance Snow

    • -3
    • 19

    Mostly Cloudy

    • 11
    • 21

    Snow Likely

    • 21
    • 30

    Chance Snow

Today 4 Dec Dane

Bitterly cold. Colder, sunny. Highs around 12. Northwest Winds up to 5 Mph shifting to the southwest in the afternoon. Lowest wind chill Readings 10 below to 20 below zero in the morning.

Tonight 4 Dec Dane

Much Colder. Mostly clear. Lows around 6 below. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jana Airport Temperature Statistics

December Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    20 °F

  • Highest 1 December, 2025

    28.4 °F

Climate (2020–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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