Blackburn Airport Weather Forecast

    • 33
    • 53

    Gradual Clearing

    • 32
    • 51

    Partly Sunny

    • 40
    • 55

    Partly Sunny

    • 44
    • 66

    Chance Rain Showers

    • 44
    • 69

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

Today 30 Apr Dane

Scattered light rain Showers late in the Morning, then numerous light rain Showers in the afternoon. Highs in the mid 50s. West Winds 5 to 10 Mph. Chance of Showers 70 percent.

Tonight 30 Apr Dane

Mostly cloudy in the evening then becoming partly cloudy. Scattered light rain Showers through around midnight. Widespread frost after midnight. Lows in the lower 30s. North Winds up to 10 Mph. Chance of Showers 50 percent.

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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

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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