Blackburn Airport Weather Forecast

    • -17
    • 17

    Chance Snow

    • -15
    • -5

    Cold

    • -3
    • 2

    Chance Snow

    • -7
    • 10

    Chance Snow

    • 1
    • 8

    Cold

    • 0
    • 16

    Mostly Cloudy

    • -5
    • 12

    Partly Sunny

Today 22 Jan Dane

Breezy. Light snow. Patchy blowing snow. Little new snow accumulation. West Winds 20 to 25 Mph. Chance of snow 80 percent.

Tonight 22 Jan Dane

Bitterly cold. Much Colder. Partly cloudy. Chance of Flurries through around midnight. Lows around 18 below. Northwest Winds 15 to 20 Mph. Lowest wind chill Readings 32 below to 42 below zero in the late evening and overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

January Temperature

Janesville-Rock County (18 miles)

  • Lowest 20 January, 2026

    -5.8 °F

  • Average January

    24.4 °F

  • Highest 8 January, 2026

    55.4 °F

Climate (2021–Present)

Janesville-Rock County (18 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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