Big Hill Park Weather Forecast
- 41
- 50
Slight Chance Thunderstorms
- 53
- 66
Rain
- 33
- 54
Partly Sunny
- 46
- 60
Mostly Sunny
- 45
- 68
Mostly Sunny
- 40
- 68
Rain
- 26
- 52
Chance Rain/Snow
Today 5 Mar Rock
Cloudy. East Winds around 5 Mph.
Tonight 5 Mar Rock
Cloudy. Areas of fog through the night. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.
Big Hill Park Temperature Statistics
March Temperature
Janesville-Rock County (4.3 miles)
Lowest 1 March, 2026
10.4 °FAverage March
27.8 °FHighest 3 March, 2026
46.4 °F
Climate (2021–Present)
Janesville-Rock County (4.3 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
48.8 °FAverage High 2021–2026
60.4 °F