Ottawa Rainfall Forecast

Today 19 Mar
No Rain
Fri 20 Mar
No Rain
Sat 21 Mar
No Rain
Sun 22 Mar
15%
Mon 23 Mar
5%
Tue 24 Mar
5%
Wed 25 Mar
5%

Ottawa Rainfall Statistics

March Rainfall

Illinois Valley Regional Airport (15.5 miles)

Total Rainfall 2026
2.8in
Daily Average 2026
0.04in
Wettest Day 15 March, 2026
1in
Wet Days 2026
7/78 (9%)
Total Rainfall February
0.1in
Daily Average February
0in
Wettest Day 19 February, 2026
0.1in
Wet Days February
1/28 (4%)
Total Rainfall March
1.8in
Daily Average March
0.1in
Wettest Day 15 March, 2026
1in
Wet Days March
4/19 (21%)

Climate (2010–Present)

Illinois Valley Regional Airport (15.5 miles)

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Annual Average 2021–2025
34.5in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 14 December, 2022
3.4in

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