Olsons Bay Rainfall Forecast

Today 20 Sep
100%
Mon 21 Sep
10%
Tue 22 Sep
5%
Wed 23 Sep
No Rain
Thu 24 Sep
5%
Fri 25 Sep
No Rain
Sat 26 Sep
5%

Olsons Bay Rainfall Statistics

September Rainfall

Janesville-Rock County (17.4 miles)

Total Rainfall 2026
11.8in
Daily Average 2026
0.05in
Wettest Day 1 August, 2026
2.8in
Wet Days 2026
40/263 (15%)
Total Rainfall August
3.7in
Daily Average August
0.1in
Wettest Day 1 August, 2026
2.8in
Wet Days August
5/31 (16%)
Total Rainfall September
1.4in
Daily Average September
0.1in
Wettest Day 15 September, 2026
1.1in
Wet Days September
4/20 (20%)

Climate (2021–2025)

Janesville-Rock County (17.4 miles)

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Annual Average 2021–2025
13.4in
Monthly Average 2021–2026
1.2in
Daily Average 2021–2026
0.04in
Wettest Day 1 August, 2026
2.8in

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