10-Day Weather Forecast for Ottawa (ON)
Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.
What's the weather in Ottawa this week?
Today's weather - Sunday 6 Sep
For Sunday the predicted weather in Ottawa is clear skies. The maximum temperature is a pleasant 21°C (70°F), while the minimum temperature is a mild 16°C (61°F).
Tomorrow's weather - Monday 7 Sep
The forecast for Ottawa on Monday is partly cloudy. High temperatures will reach a warm 24°C (75°F), with lows dropping to around 16°C (61°F).
10-Day Weather Forecast
In the coming 10 days, the weather in Ottawa will reach 26°C (79°F) on Sunday before declining again. Daytime highs during this period will average around 22°C (72°F), with nighttime lows around 15°C (59°F). Compared to normal September conditions, this is typical. There will be plenty of sunshine throughout this time. Rain amounts are forecast to be less than usual (relative to standard September patterns), with mostly dry conditions. Precipitation is likely on approximately 1 day (Wed). Wind conditions will be generally calm.
Weather Forecast FAQ for Ottawa
When will be the warmest day next week?
The warmest day is expected to be Sunday with a high of 26°C (79°F).
When will be the coldest day?
The coldest day is forecasted for Friday with a low of 12°C (54°F).
Will it rain next week in Ottawa?
Yes, rain is expected on 1 day , specifically on Wed.
How much rainfall is expected next week?
A total of 8 mm (0.3 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 12°C (54°F) to 26°C (79°F).
More about Ottawa
Explore the full Ottawa climate overview with monthly averages, or check rainfall data and temperature by month.
Ottawa weather by month
Browse monthly averages for Ottawa: climate by month with temperature, rainfall and sunshine.
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