Blackburn Airport Weather Forecast
- 50
- 64
Rain Showers Likely
- 43
- 62
Partly Sunny
- 43
- 64
Partly Sunny
- 43
- 65
Mostly Sunny
- 49
- 69
Partly Sunny
- 53
- 73
Partly Sunny
Today 4 Sep Dane
Mostly sunny. Highs in the mid 60s. West Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.
Tonight 4 Sep Dane
Light rain Showers likely. Lows around 50. South Winds 5 to 10 Mph increasing to southwest 15 to 20 Mph after midnight. Chance of Showers 70 percent.
Blackburn Airport Temperature Statistics
September Temperature
Janesville-Rock County (18 miles)
Lowest 1 September, 2025
48.2 °FAverage September
59 °FHighest 1 September, 2025
77 °F
Climate (2020–Present)
Janesville-Rock County (18 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
48.7 °FAverage High 2020–2025
60.2 °F