Blackburn Airport Weather Forecast
- 63
- 83
Rain Showers
- 58
- 75
Chance Thunderstorms
- 58
- 78
Partly Sunny
- 63
- 81
Mostly Sunny
- 68
- 83
Chance Rain Showers
- 67
- 85
Chance Thunderstorms
Today 4 Aug Dane
Mostly sunny in the Morning, then mostly cloudy with a 40 percent chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.
Tonight 4 Aug Dane
Showers and chance of Thunderstorms. Patchy fog after midnight. Lows in the lower 60s. West Winds up to 5 Mph. Chance of precipitation 90 percent.
Blackburn Airport Temperature Statistics
August Temperature
Janesville-Rock County (18 miles)
Lowest 1 August, 2026
62.6 °FAverage August
65.5 °FHighest 1 August, 2026
69.8 °F
Climate (2021–2026)
Janesville-Rock County (18 miles)
Average Low 2021–2026
40.3 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
60.4 °F