Our 14 day weather forecast for Ottawa becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Ottawa 14 day forecast

Date	Temperatures		Wind
Friday, September 18	17 ° / 7 °	Overcast	13 Km/h
Saturday, September 19	15 ° / 4 °	Overcast	4 Km/h
Sunday, September 20	18 ° / 7 °	Overcast	11 Km/h
Monday, September 21	15 ° / 5 °	Overcast	14 Km/h
Tuesday, September 22	16 ° / 5 °	Overcast	9 Km/h
Wednesday, September 23	16 ° / 5 °	Overcast	8 Km/h
Thursday, September 24	11 ° / 9 °	Light drizzle	5 Km/h
Friday, September 25	11 ° / 7 °	Patchy rain possible	23 Km/h
Saturday, September 26	9 ° / 6 °	Overcast	12 Km/h
Sunday, September 27	19 ° / 4 °	Overcast	11 Km/h
Monday, September 28	23 ° / 8 °	Overcast	15 Km/h
Tuesday, September 29	24 ° / 15 °	Light rain shower	3 Km/h
Wednesday, September 30	26 ° / 16 °	Patchy rain possible	10 Km/h
Thursday, October 1	19 ° / 13 °	Light rain shower	8 Km/h
Further Ahead

Ottawa 14 days – weather graph

The weather in Ottawa for the next 14 days - FAQ

What will the temperature be in Ottawa during the next 14 days?

The temperature will range between 26° C and 9° C. The hottest day in the next 2 weeks will be on September 30 and the coldest on September 26.

Will it rain at Ottawa in the next 14 days?

Yes, there will be around 5 days with rain and an overall rainfall of 3.5 mm.

Can I see more details about the weather in Ottawa on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Ottawa's pages.

Do you have a weather forecast for Ottawa for more than 14 days?

You can check the Ottawa long range weather page, it is not a forecast, but it can give you an idea of how the weather in Ottawa will be like (based on past weather information).

More about the weather in Ottawa