Dacy Airport Weather Forecast

    • 21
    • 24

    Snow Likely

    • 13
    • 35

    Chance Snow Showers

    • 3
    • 17

    Chance Snow Showers

    • 3
    • 14

    Mostly Cloudy

    • -2
    • 9

    Cold

    • 6
    • 14

    Mostly Cloudy

Today 15 Jan McHenry

Partly cloudy in the Morning, then becoming mostly cloudy. A chance of snow late. Highs in the mid 20s. North Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of precipitation 40 percent.

Tonight 15 Jan McHenry

Snow likely. Snow accumulation around an inch. Lows in the lower 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dacy Airport Temperature Statistics

January Temperature

Janesville-Rock County (25.5 miles)

  • Lowest 1 January, 2026

    8.6 °F

  • Average January

    29.6 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (25.5 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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