Ottawa
10 day weather forecast for Ottawa
Thursday, 10th September 2026, at 05:56
today
20° 11°
tomorrow
20° 6°
Saturday
23° 10°
Sunday
25° 14°
Monday
22° 8°
Tuesday
24° 15°
Wednesday
15° 12°
Seemore
Ottawa Weather Pages
Ottawa weather forecast
The weather forecast for Ottawa over the next 5 days indicates wet and rainy conditions with temperatures ranging from 20 °C to 25 °C.
Rain is expected on Thursday, Sunday, and Monday.
Wind speeds are expected to be strong, averaging around 27 km/h.
Ottawa 14 days weather forecast
This weeks weather in Ottawa. Click on a date for detailed forecasts
Thu. 10
20°
11°
40.4 mm
Fri. 11
20°
6°
0 mm
Sat. 12
23°
10°
0 mm
Sun. 13
25°
14°
0.4 mm
Mon. 14
22°
8°
0.7 mm
Tue. 15
24°
15°
14.9 mm
Wed. 16
15°
12°
0 mm
Thu. 17
17°
8°
1.2 mm
Fri. 18
13°
5°
0.6 mm
Sat. 19
11°
2°
1.8 mm
Sun. 20
11°
1°
0 mm
Mon. 21
19°
4°
0 mm
Tue. 22
15°
10°
1.6 mm
Wed. 23
17°
14°
14.8 mm
Further Ahead
You can click on date
Access Ottawa weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Ottawa long range weather forecast
30 day weather forecast for Ottawa
Important Notice
Our Ottawa long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Ottawa
The chart displays the expected rainfall values (in mm) over the next 14 days in Ottawa, highlighting variations in precipitation levels for specific dates. ☔
Ottawa Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in Ottawa over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
Frequently asked questions about the weather in Ottawa
How warm is it in Ottawa over the next 14 days?
Over the next two weeks, temperatures in Ottawa are expected to range from around 1 °C on the coldest nights up to about 25 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Ottawa in the next two weeks?
Yes - rain is expected on about 9 of the next 14 days in Ottawa, with roughly 76.4 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Ottawa?
Maximum wind speeds in Ottawa are forecast to reach about 30 km/h at their peak over the next 14 days.
When is the best time to visit Ottawa?
For a month-by-month look at temperatures and rainfall, see our best time to visit Ottawa guide.
How accurate is the 14-day forecast for Ottawa?
Our Ottawa forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Where is Ottawa?Get accurate weather forecasts for Ottawa, located at latitude 45.411 and longitude -75.698. Stay updated with localized weather information tailored for Ottawa.
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