Jana Airport Weather Forecast

    • -7
    • 8

    Cold

    • 0
    • 11

    Partly Sunny

    • -4
    • 12

    Partly Sunny

    • -6
    • 11

    Partly Sunny

    • -2
    • 11

    Partly Sunny

    • 2
    • 15

    Partly Sunny

Today 25 Jan Dane

Bitterly cold. Partly sunny. Highs around 7. North Winds 5 to 10 Mph.

Tonight 25 Jan Dane

Bitterly cold. Partly cloudy. Lows around 8 below. Northwest Winds 5 to 10 Mph. Wind chill Readings 16 below to 26 below zero.

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Jana Airport Temperature Statistics

January Temperature

Janesville-Rock County (17.4 miles)

  • Lowest 23 January, 2026

    -16.6 °F

  • Average January

    22.3 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (17.4 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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