Blackburn Airport Weather Forecast

    • 43
    • 62

    Slight Chance Rain Showers

    • 38
    • 57

    Partly Sunny

    • 34
    • 56

    Partly Sunny

    • 34
    • 53

    Partly Sunny

    • 40
    • 59

    Partly Sunny

    • 45
    • 66

    Partly Sunny

Today 28 Apr Dane

Mostly cloudy. Highs around 60. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the morning.

Tonight 28 Apr Dane

Cloudy. Lows in the mid 40s. West Winds 15 to 20 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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