Owatonna Rainfall Forecast

Today 19 Sep
80%
Sun 20 Sep
5%
Mon 21 Sep
20%
Tue 22 Sep
5%
Wed 23 Sep
No Rain
Thu 24 Sep
15%
Fri 25 Sep
15%

Owatonna Rainfall Statistics

September Rainfall

Owatonna Degner Regional Airport (1.9 miles)

Total Rainfall 2026
29.1in
Daily Average 2026
0.1in
Wettest Day 31 July, 2026
5.3in
Wet Days 2026
60/262 (23%)
Total Rainfall August
3.2in
Daily Average August
0.1in
Wettest Day 9 August, 2026
1.5in
Wet Days August
10/31 (32%)
Total Rainfall September
3.5in
Daily Average September
0.2in
Wettest Day 2 September, 2026
2.3in
Wet Days September
6/19 (32%)

Climate (2021–2025)

Owatonna Degner Regional Airport (1.9 miles)

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Annual Average 2021–2025
54.2in
Monthly Average 2021–2026
4.6in
Daily Average 2021–2026
0.2in
Wettest Day 30 March, 2025
86.5in

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