The weather in Ontario for the next 30 days
This chart shows the temperature in Ontario for the next 30 days, displayed in degrees Celsius. The long-term weather forecast is based on the 14-day weather prediction and the average historical weather data for Ontario from the past 10 years. We take the changing climate into account, so you know what you can typically expect during this period.
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Precipitation in Ontario for the next 30 days
This chart shows the precipitation in Ontario for the next 30 days, measured in millimetres. We base this on the current 14-day weather forecast, followed by the average daily precipitation over the past 10 years.
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Snowfall in Ontario for the next 30 days
This chart shows the snowfall in Ontario for the next 30 days, measured in centimetres. This is also based on the weather forecast and the average daily snowfall over the past 10 years.
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Popular destinations in Canada
Discover the climate of these popular destinations in Canada.
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2 2 2 4 5 5 5 5 4 5 4 5 5 4 5 5 5 5 4Average Weather in Ontario by Month
Click on a month below to see detailed weather info for Ontario. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
