Ottawa, ON Weather

Current Conditions
16°C
Mostly Cloudy
Today: High 24 °C Low 15°C
Today's Weather Details
Sunrise:5:14
Humidity:82%
Visibility:24 km
Sunset:20:53
Wind:E 7 km/h
Pressure:99.256 rising
Data Source: The Weather Company
Extended Forecast
Thursday
High: 22°C Low: 15°C
POP: 99%
Light Rain | Partly Cloudy Night
Friday
High: 20°C Low: 13°C
POP: 61%
Thunder and Hail | Light Rain
Saturday
High: 21°C Low: 12°C
POP: 30%
Scattered Showers | Partly Cloudy Night
Sunday
High: 23°C Low: 13°C
POP: 24%
Partly Cloudy | Partly Cloudy Night
Monday
High: 23°C Low: 14°C
POP: 47%
Light Rain | Scattered Showers Night
Tuesday
High: 25°C Low: 14°C
POP: 19%
Partly Cloudy | Fair Mostly Clear

Latest Weather News

Severe thunderstorms forecasted tonight in Ottawa

Environment Canada has issued a yellow watch for severe thunderstorms today in Ottawa. They say conditions point to the development of severe storms that could produce strong wind gusts and toonie-sized…

June 13, 2026 1:02 pm EST EST

Storm, saturated with water, expected to dump up to 50mm on Ottawa

A slow-moving low-pressure system is bringing heavy rainfall overnight and a risk of thunderstorms to the nation’s capital. Environment Canada believes that about 50 millimetres of rain is possible….

June 10, 2026 12:54 pm EST EST

Hot and sticky conditions expected in Ottawa as humidex soars

Residents in the nation’s capital got a taste of the humidity late last week, but that will pale in comparison to what’s in store later this week in the city. The week kicked off with seasonal temperatures,…

June 9, 2026 10:59 am EST EST

Frost expected as high heat retreats out of Ottawa

Humidity made way from a crisp wind and cooler temperatures on Thursday in the nation’s capital, prompting a risk of frost. According to Environment Canada, temperatures could fall near or below 0 C…

May 21, 2026 3:40 pm EST EST