Ottawa weather — 10-day forecast
Temperature, rain, wind and feels-like in Ottawa, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 17:00 · NOAA HRRR model
31 °C
Clear sky
Feels like 33 °C
Next 12 h
- 1731°
- 1831°
- 1929°
- 2028°
- 20:06Sunset
- 2126°
- 2225°
- 2324°
- 0024°
- 0123°
- 0222°
- 0322°
- 0422°
- 0522°
↑ 31°17:00↓ 22°04:00
- Humidity
- 47 %
- Dew point
- 19 °C
- Gusts
- 11.5 km/h
- Clouds
- 6 %
- Pressure
- 1,015 hPa
- Storm
- possible
Grid point 0.6 km away · 3.0 km grid · elevation 155 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 70.2µg/m³
- PM2.5
- 6.8µg/m³
- PM10
- 7.8µg/m³
- Nitrogen dioxide
- 4.3µg/m³
- Sulphur dioxide
- 1.0µg/m³
- Carbon monoxide
- 192.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Mainly clear16 %
31°
24°
Sat
Clear sky28 %
30°
21°
Sun
Thunderstorm96 %
32°
19°
Mon
Thunderstorm98 %
31°
23°
Tue
Thunderstorm98 %
26°
22°
Wed
Light drizzle94 %
28°
21°
Thu
Partly cloudy
26°
19°
Fri
Overcast
27°
19°
Sat
Thunderstorm4 mm
28°
21°
Sun
Mainly clear
28°
20°
Gusts · Mon 58.8 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 05:57
- Daylight
- 14 h 09
- Sunset
- 20:06
Radiation · 12.8 MJ/m²
Today in Ottawa the mean temperature will be 28.6 °C — +5.9 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Ottawa