Blackburn Airport Weather Forecast

    • 57
    • 80

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 68
    • 82

    Rain Showers

    • 57
    • 82

    Partly Sunny

    • 54
    • 77

    Mostly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 61
    • 80

    Chance Rain Showers

Today 6 Sep Dane

Partly sunny. East Winds up to 10 Mph.

Tonight 6 Sep Dane

Mostly clear. Lows in the upper 50s. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

September Temperature

Janesville-Rock County (18 miles)

  • Lowest 1 September, 2026

    69.8 °F

  • Average September

    77.2 °F

  • Highest 1 September, 2026

    91.4 °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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