Olsons Bay Weather Forecast
- 66
- 83
Becoming Sunny
- 67
- 86
Slight Chance Thunderstorms
- 68
- 87
Chance Thunderstorms
- 73
- 90
Chance Rain Showers
- 71
- 91
Chance Thunderstorms
- 62
- 84
Chance Rain Showers
- 59
- 80
Chance Rain Showers
Today 1 Jul Jefferson
Mostly sunny. Northwest Winds 5 to 10 Mph.
Tonight 1 Jul Jefferson
Clear. Lows in the mid 60s. West Winds up to 5 Mph.
Olsons Bay Temperature Statistics
July Temperature
Janesville-Rock County (17.4 miles)
Lowest
–Average July
–Highest
–
Climate (2020–Present)
Janesville-Rock County (17.4 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
48.8 °FAverage High 2020–2025
60.3 °F