Ottawa, ON Weather

Current Conditions
17°C
Mostly Cloudy Night
Today: High 20 °C Low 13°C
Today's Weather Details
Sunrise:5:46
Humidity:52%
Visibility:24 km
Sunset:20:13
Wind:S 17 km/h
Pressure:98.722 rising
Data Source: The Weather Company
Extended Forecast
Tuesday
High: 18°C Low: 5°C
POP: 60%
Rain | Cloudy
Wednesday
High: 13°C Low: 4°C
POP: 11%
Cloudy | Partly Cloudy Night
Thursday
High: 13°C Low: 4°C
POP: 3%
Partly Cloudy | Partly Cloudy Night
Friday
High: 13°C Low: 4°C
POP: 18%
Partly Cloudy | Partly Cloudy Night
Saturday
High: 15°C Low: 5°C
POP: 24%
Mostly Cloudy | Scattered Showers Night
Sunday
High: 15°C Low: 5°C
POP: 52%
Scattered Showers | Light Rain

Latest Weather News

50 mm of rain possible in already flooded Ottawa

Heavy rain at times is expected on Wednesday night in the nation’s capital, bringing renewed fears of flooding to already stressed homeowners. Environment Canada warns that the storm passing the city…

April 29, 2026 1:36 pm EST EST

Water levels stabilize on Ottawa River

Following a rainy start to spring and rapid snowmelt, water levels on the Ottawa River are stabilizing. According to the Ottawa River Regulation Planning Board (ORRPB), water levels at Lake Deschenes…

April 25, 2026 10:02 am EST EST

Weather cooperating as Ottawa River nears 2023 water levels

Water is lapping up against several parks in the nation’s capital after the rising Ottawa River burst its banks over the weekend. Officials have been warning people who live by the river to take action…

April 21, 2026 1:59 pm EST EST

Flood warning issued for Ottawa River as levels expected to peak

From Arnprior to Hawkesbury, those along the Ottawa River are being asked to monitor water levels as experts warn that flooding is possible. The Rideau Valley Conservation Authority (RVCA) issued an…

April 20, 2026 3:42 pm EST EST