Ottawa Rainfall Forecast

Today 18 Jun
20%
Fri 19 Jun
5%
Sat 20 Jun
30%
Sun 21 Jun
80%
Mon 22 Jun
75%
Tue 23 Jun
10%
Wed 24 Jun
35%

Ottawa Rainfall Statistics

June Rainfall

Illinois Valley Regional Airport (15.5 miles)

Total Rainfall 2026
17.9in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
2.3in
Wet Days 2026
37/169 (22%)
Total Rainfall May
1.6in
Daily Average May
0.1in
Wettest Day 24 May, 2026
0.7in
Wet Days May
8/31 (26%)
Total Rainfall June
4.8in
Daily Average June
0.3in
Wettest Day 7 June, 2026
1.9in
Wet Days June
7/18 (39%)

Climate (2021–2025)

Illinois Valley Regional Airport (15.5 miles)

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Annual Average 2021–2025
34.5in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 14 December, 2022
3.4in

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