10-Day Weather Forecast for Ontario (CA)
Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.
What's the weather in Ontario this week?
Today's weather - Sunday 6 Sep
For Sunday the predicted weather in Ontario is rain throughout the day. The maximum temperature is a warm 25°C (77°F), while the minimum temperature is a pleasant 20°C (68°F).
Tomorrow's weather - Monday 7 Sep
Tomorrow's weather in Ontario will be partly cloudy. The maximum predicted temperature is a very warm 30°C (86°F), while the minimum temperature is a warm 23°C (73°F).
10-Day Weather Forecast
The 10-day forecast shows that temperatures will get warmer, maximum temperatures reach 37°C (99°F) on Wednesday. During this period, expect daytime highs around 32°C (90°F) and nighttime lows around 23°C (73°F). Compared to typical September conditions, these temperatures are typical. There will be plenty of sunshine during this period. Precipitation levels will be much more than usual (versus normal September rainfall), with mostly dry conditions. Precipitation is likely on about 1 day (Sun). Wind conditions will be generally calm.
Weather Forecast FAQ for Ontario
When will be the warmest day next week?
The warmest day is expected to be Wednesday with a high of 37°C (99°F).
When will be the coldest day?
The coldest day is forecasted for Sunday with a low of 20°C (68°F).
Will it rain next week in Ontario?
Yes, rain is expected on 1 day , specifically on Sun.
How much rainfall is expected next week?
A total of 23 mm (0.9 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 20°C (68°F) to 37°C (99°F).
More about Ontario
Explore the full Ontario climate overview with monthly averages, or check rainfall data and temperature by month.
Ontario weather by month
Browse monthly averages for Ontario: climate by month with temperature, rainfall and sunshine.
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