Today's Weather Forecast - Ottawa

Today's weather in Ottawa. high 23°C (73°F), low 19°C (66°F). Rainy.

Today’s Hourly Weather Outlook

Morning6 AM – Noon20°
Wind speed
14 km/h
Rain probability
77%
AfternoonNoon – 6 PM23°
Wind speed
14 km/h
Rain probability
77%
Evening6 PM – Midn21°
Wind speed
6 km/h
Rain probability
52%
NightMidn – 6 AM20°
Wind speed
8 km/h
Rain probability
53%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:12 AM
Total Daylight
5% of day elapsedSolar noon 1:09 PM
Sunset
Dusk 9:05 PM
Remaining14h 9m
Solar elevation
vs yesterday-3 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Moderate
Dominant pollutant
Dominant: PM2.5
Monitoring station
Ottawa
PM2.5
55μg/m³
O₃
16ppb
NO₂
3ppb
SO₂
0.2ppb
CO
5ppm
0Good → Hazardous300+

Upcoming 3-Day Forecast

Full 15-Day Forecast
View Full 15-Day Forecast

Nearby Regional Outlook

Ottawa Weather Radar

Live precipitation · Cloud cover · Wind

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