Jana Airport Weather Forecast

    • -1
    • 8

    Cold

    • 10
    • 23

    Mostly Cloudy

    • 25
    • 36

    Mostly Cloudy

    • 30
    • 35

    Rain Likely

    • 7
    • 41

    Slight Chance Rain/Snow

    • 19
    • 28

    Mostly Cloudy

Today 14 Dec Dane

Bitterly cold. Mostly sunny. Highs around 8. West Winds 5 to 10 Mph. Lowest wind chill Readings 16 below to 26 below zero late in the morning.

Tonight 14 Dec Dane

Partly cloudy until early morning then becoming mostly cloudy. Lows near zero. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jana Airport Temperature Statistics

December Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    20 °F

  • Highest 10 December, 2025

    37.4 °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

    60.3 °F
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