Blackburn Airport Weather Forecast

    • 16
    • 21

    Wintry Mix Likely

    • 27
    • 33

    Wintry Mix

    • 8
    • 31

    Snow Likely

    • 4
    • 20

    Chance Snow Showers

    • -5
    • 18

    Chance Snow Showers

    • -8
    • 5

    Slight Chance Snow Showers

    • -1
    • 10

    Cold

Today 8 Dec Dane

Mostly cloudy. South Winds around 10 Mph.

Tonight 8 Dec Dane

Not as cold. Cloudy. Chance of light snow late in the evening. Light freezing drizzle and snow likely after Midnight, then chance of light freezing Drizzle, possibly mixed with snow early in the morning. Little snow accumulation. Lows around 17. South Winds 10 to 15 Mph. Chance of precipitation 60 percent.

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Blackburn Airport Temperature Statistics

December Temperature

Janesville-Rock County (18 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    19.2 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Janesville-Rock County (18 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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