Ontario Rainfall Forecast

Today 14 Sep
60%
Tue 15 Sep
90%
Wed 16 Sep
50%
Thu 17 Sep
60%
Fri 18 Sep
55%
Sat 19 Sep
60%
Sun 20 Sep
20%

Ontario Rainfall Statistics

September Rainfall

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

Total Rainfall 2026
23.3in
Daily Average 2026
0.1in
Wettest Day 10 June, 2026
2.4in
Wet Days 2026
67/257 (26%)
Total Rainfall August
3.1in
Daily Average August
0.1in
Wettest Day 21 August, 2026
1.2in
Wet Days August
8/31 (26%)
Total Rainfall September
2.2in
Daily Average September
0.2in
Wettest Day 2 September, 2026
1.2in
Wet Days September
5/14 (36%)

Climate (2021–2025)

Sparta, Sparta / Fort McCoy Airport (17.4 miles)

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Annual Average 2021–2025
28in
Monthly Average 2021–2026
2.3in
Daily Average 2021–2026
0.1in
Wettest Day 19 May, 2022
2.9in

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