🇨🇦 Weather in Ottawa
Map Overlays:
Hourly Forecast for Ottawa
20:00
13°
86%
21:00
13°
83%
22:00
13°
82%
23:00
13°
100%
00:00
13°
100%
01:00
13°
100%
02:00
12°
100%
03:00
12°
100%
04:00
12°
100%
05:00
13°
100%
06:00
11°
100%
07:00
11°
100%
08:00
11°
100%
09:00
11°
0%
10:00
12°
0%
11:00
14°
75%
12:00
15°
65%
13:00
17°
100%
14:00
18°
87%
15:00
20°
0%
16:00
20°
0%
17:00
20°
0%
18:00
20°
82%
19:00
18°
0%
14-Day Forecast for Ottawa
2026-05-24
Moderate rain
14° /
10°
2026-05-25
Moderate rain
21° /
10°
2026-05-26
Moderate rain
23° /
11°
2026-05-27
Patchy rain nearby
20° /
10°
2026-05-28
Partly Cloudy
19° /
7°
2026-05-29
Patchy rain nearby
12° /
5°
2026-05-30
Patchy rain nearby
11° /
2°
Additional Forecasts for Ottawa
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 196.8 μg/m³
O₃ (Ozone) 44.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.1 μg/m³
SO₂ (Sulphur Dioxide) 2.2 μg/m³
PM2.5 (Fine particles) 4.8 μg/m³
PM10 (Coarse particles) 4.8 μg/m³