Blackburn Airport Weather Forecast

    • 54
    • 79

    Mostly Sunny

    • 44
    • 70

    Chance Rain Showers

    • 62
    • 73

    Rain Showers

    • 56
    • 79

    Rain Showers Likely

    • 59
    • 68

    Rain Showers Likely

    • 55
    • 73

    Chance Rain Showers

    • 54
    • 74

    Chance Rain Showers

Today 12 Sep Dane

Partly sunny. Northwest Winds 5 to 10 Mph.

Tonight 12 Sep Dane

Mostly clear. Lows in the lower 50s. Northwest Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Blackburn Airport Temperature Statistics

September Temperature

Janesville-Rock County (18 miles)

  • Lowest 7 September, 2026

    55.4 °F

  • Average September

    71.4 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
Get WillyWeather+ to remove ads