Blackburn Airport Weather Forecast
- 44
- 63
Increasing Clouds
- 37
- 57
Slight Chance Thunderstorms
- 34
- 54
Partly Sunny
- 33
- 52
Partly Sunny
- 37
- 56
Partly Sunny
- 42
- 62
Slight Chance Rain Showers
- 44
- 66
Slight Chance Thunderstorms
Today 28 Apr Dane
Mostly cloudy. Northwest Winds 5 to 10 Mph.
Tonight 28 Apr Dane
Mostly cloudy. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.
Blackburn Airport Temperature Statistics
April Temperature
Janesville-Rock County (18 miles)
Lowest 7 April, 2026
23 °FAverage April
47.9 °FHighest 17 April, 2026
78.8 °F
Climate (2021–Present)
Janesville-Rock County (18 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
48.8 °FAverage High 2021–2026
60.4 °F