Blackburn Airport Weather Forecast

    • 57
    • 75

    Mostly Sunny

    • 61
    • 79

    Rain Showers Likely

    • 47
    • 72

    Rain Showers Likely

    • 44
    • 66

    Partly Sunny

    • 50
    • 68

    Chance Rain Showers

    • 47
    • 69

    Rain Showers Likely

Today 22 Apr Dane

Sunny. Patchy fog in the morning. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 22 Apr Dane

Partly cloudy. Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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Blackburn Airport Temperature Statistics

April Temperature

Janesville-Rock County (18 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    47.9 °F

  • Highest 17 April, 2026

    78.8 °F

Climate (2021–Present)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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