Ottawa Rainfall Forecast

Today 12 Aug
10%
Thu 13 Aug
10%
Fri 14 Aug
10%
Sat 15 Aug
10%
Sun 16 Aug
10%
Mon 17 Aug
20%
Tue 18 Aug
10%

Ottawa Rainfall Statistics

August Rainfall

Olathe, New Century Aircenter (24.9 miles)

Total Rainfall 2026
33.1in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
1.9in
Wet Days 2026
65/224 (29%)
Total Rainfall July
7.2in
Daily Average July
0.2in
Wettest Day 9 July, 2026
1.9in
Wet Days July
12/31 (39%)
Total Rainfall August
2.1in
Daily Average August
0.2in
Wettest Day 5 August, 2026
1.5in
Wet Days August
3/12 (25%)

Climate (2021–2025)

Olathe, New Century Aircenter (24.9 miles)

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Annual Average 2021–2025
34.6in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 4 July, 2024
2.9in

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