Ontario Rainfall Forecast

Today 18 Aug
30%
Wed 19 Aug
40%
Thu 20 Aug
5%
Fri 21 Aug
20%
Sat 22 Aug
35%
Sun 23 Aug
10%
Mon 24 Aug
15%

Ontario Rainfall Statistics

August Rainfall

Galesburg Municipal Airport (11.8 miles)

Total Rainfall 2026
577.1in
Daily Average 2026
2.6in
Wettest Day 21 July, 2026
71.6in
Wet Days 2026
72/230 (31%)
Total Rainfall July
487.8in
Daily Average July
15.7in
Wettest Day 21 July, 2026
71.6in
Wet Days July
15/31 (48%)
Total Rainfall August
4.2in
Daily Average August
0.3in
Wettest Day 1 August, 2026
3.9in
Wet Days August
4/18 (22%)

Climate (2021–2025)

Galesburg Municipal Airport (11.8 miles)

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Annual Average 2021–2025
46.2in
Monthly Average 2021–2026
13.1in
Daily Average 2021–2026
0.4in
Wettest Day 21 July, 2026
71.6in

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