The long-range forecast for Ontario indicates that current temperatures are within the expected ranges for this time of year, aligning closely with the historical average of 25.5 °F. This suggests typical weather patterns without significant deviations.
Select a month and click on a day for more information
Saturday
Aug 1
26° / 18°
Sunday
Aug 2
26° / 19°
Monday
Aug 3
27° / 19°
Tuesday
Aug 4
29° / 14°
Wednesday
Aug 5
27° / 16°
Thursday
Aug 6
29° / 20°
Friday
Aug 7
26° / 20°
Saturday
Aug 8
30° / 20°
Sunday
Aug 9
24° / 21°
Monday
Aug 10
29° / 20°
Tuesday
Aug 11
24° / 19°
Wednesday
Aug 12
22° / 17°
Thursday
Aug 13
22° / 14°
Friday
Aug 14
22° / 15°
Saturday
Aug 15
25° / 16°
Sunday
Aug 16
24° / 17°
Monday
Aug 17
23° / 15°
Tuesday
Aug 18
24° / 18°
Wednesday
Aug 19
24° / 17°
Thursday
Aug 20
26° / 18°
Friday
Aug 21
25° / 19°
Saturday
Aug 22
26° / 18°
Sunday
Aug 23
26° / 19°
Monday
Aug 24
26° / 19°
Tuesday
Aug 25
26° / 19°
Wednesday
Aug 26
25° / 18°
Thursday
Aug 27
25° / 17°
Friday
Aug 28
25° / 18°
Saturday
Aug 29
24° / 17°
Sunday
Aug 30
25° / 17°
Monday
Aug 31
24° / 16°
Ontario 30 days weather forecast
Check out our estimated 30 days weather forecast for Ontario, this data is based on the average weather in Ontario in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Ontario next to the desired date.
Weather in Ontario for the next 30 days
Click on a day for an hourly weather forecast
Ontario long range weather forecast - FAQ
Do you provide 30 days weather forecast for Ontario?
You can see the next 30 weather forecast for Ontario at the top of the page, the next 14 days (from today) are more accurate, while the other is based on average of previous years.
Can I see the weather forecast for a particular date in Ontario?
Sure, you can select the date from the calendar above to view the forecast in Ontario on that date.
How accurate is the long-range weather forecast for Ontario?
Our long-range weather forecast for Ontario is provided by using statistics from previous years. Although we cannot predict the weather months in advance, we can see an average.
Can I see a long-range weather forecast for different countries?
Yes, we provide a 14 day weather forecast and a long-range weather forecast for different countries and cities. You can search for a location in the search box at the top of the page.
More about the weather in Ontario