Big Hill Park Weather Forecast
- 49
- 61
Rain Showers
- 54
- 69
Slight Chance Rain Showers
- 57
- 73
Rain Showers Likely
- 44
- 69
Chance Rain Showers
- 38
- 59
Slight Chance Rain Showers
- 43
- 64
Mostly Sunny
Today 15 Oct Rock
Cloudy. Light rain Showers in the Morning, then scattered light rain Showers in the late morning and early afternoon. Highs in the lower 60s. East Winds 5 to 10 Mph. Chance of Showers 80 percent.
Tonight 15 Oct Rock
Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Lows in the upper 40s. East Winds up to 10 Mph.
Big Hill Park Temperature Statistics
October Temperature
Janesville-Rock County (4.3 miles)
Lowest 9 October, 2025
35.6 °FAverage October
59.1 °FHighest 3 October, 2025
87.8 °F
Climate (2020–Present)
Janesville-Rock County (4.3 miles)
Average Low 2020–2025
40.6 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
60.4 °F