Compass Rose Airport Weather Forecast

    • 15
    • 18

    Increasing Clouds

    • 6
    • 24

    Snow Showers Likely

    • -13
    • 16

    Partly Sunny

    • -15
    • -4

    Cold

    • -8
    • 1

    Cold

    • -5
    • 12

    Cold

Today 20 Jan Boone

Sunny in the Morning, then becoming partly cloudy. Highs around 18. Southwest Winds 5 to 10 Mph. Wind chill Values as low as 14 below in the morning.

Tonight 20 Jan Boone

Cloudy. A chance of snow in the Evening, then snow after midnight. Total snow accumulation of 1 to 3 Inches. Lows around 12. Temperature rising into the lower 20s after midnight. South Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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Compass Rose Airport Temperature Statistics

January Temperature

Janesville-Rock County (13 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    27.6 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (13 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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