Blackburn Airport Weather Forecast

    • 71
    • 87

    Slight Chance Rain Showers

    • 72
    • 90

    Partly Sunny

    • 71
    • 90

    Rain Showers Likely

    • 69
    • 86

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 64
    • 83

    Partly Sunny

    • 62
    • 82

    Slight Chance Rain Showers

Today 31 Aug Dane

Partly sunny with chance of light Showers and slight chance of Thunderstorms. Heat index Readings around 95. Southwest Winds 5 to 15 Mph. Chance of precipitation 40 percent.

Tonight 31 Aug Dane

Partly cloudy. A 20 percent chance of light Showers in the evening. Patchy fog after midnight. Lows around 70. Southwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

August Temperature

Janesville-Rock County (18 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    67.7 °F

  • Highest 4 August, 2026

    84.2 °F

Climate (2021–2026)

Janesville-Rock County (18 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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