Ontario Rainfall Forecast

Today 10 Sep
5%
Fri 11 Sep
No Rain
Sat 12 Sep
No Rain
Sun 13 Sep
No Rain
Mon 14 Sep
No Rain
Tue 15 Sep
No Rain
Wed 16 Sep
No Rain

Ontario Rainfall Statistics

September Rainfall

Ontario International Airport (3.7 miles)

Total Rainfall 2026
5.6in
Daily Average 2026
0.02in
Wettest Day 1 January, 2026
0.9in
Wet Days 2026
21/253 (8%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–
Total Rainfall September
0.6in
Daily Average September
0.1in
Wettest Day 6 September, 2026
0.6in
Wet Days September
2/10 (20%)

Climate (2021–2025)

Ontario International Airport (3.7 miles)

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Annual Average 2021–2025
13.5in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 5 February, 2024
3.6in

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