Blackburn Airport Weather Forecast

    • 47
    • 67

    Rain Showers

    • 44
    • 62

    Mostly Cloudy

    • 39
    • 59

    Partly Sunny

    • 38
    • 58

    Slight Chance Rain Showers

    • 37
    • 56

    Partly Sunny

    • 43
    • 61

    Partly Sunny

Today 27 Apr Dane

Rain Showers and chance of Thunderstorms until late Afternoon, then rain Showers with Thunderstorms likely late in the afternoon. Highs in the upper 60s. Southeast Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of precipitation near 100 percent.

Tonight 27 Apr Dane

Rain Showers with Thunderstorms likely through around Midnight, then chance of light rain Showers after midnight. Lows in the mid 40s. Southwest Winds 10 to 20 Mph. Chance of precipitation near 100 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

    48.8 °F

  • Average High 2021–2026

    60.4 °F
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