Ontario weather forecast

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Below are temperatures expected tomorrow at popular destinations in Ontario. Select a destination to see the 5-day weather forecast.

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The 5-day weather forecast for Ontario is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

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Ontario weather forecast by day

Below are the detailed weather forecasts for Ontario for the next 5 days. The forecasts shown are for Toronto and may not represent the whole of Ontario. Browse more destinations in Ontario to view more weather forecasts.

Ontario weather for Tuesday 20th April 2021

Below is the Ontario weather forecast for Tuesday 20th April 2021. Expect broken clouds in Ontario with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the west.

7
°C maximum temperature
3
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
24
kph wind from W

Ontario weather for Wednesday 21st April 2021

Below is the Ontario weather forecast for Wednesday 21st April 2021. Expect overcast with light snow in Ontario with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 cm of snow expected with 59% chance of some snow and a moderate breeze of 24 kph from the north.

3
°C maximum temperature
0
°C minimum temperature
overcast with light snow
0
hours of sunshine
3
UV index (Moderate)
59
% chance of some snow
<10
cm of snow expected
-2
°C wind chill
24
kph wind from N

Ontario weather for Thursday 22nd April 2021

Below is the Ontario weather forecast for Thursday 22nd April 2021. Expect broken clouds in Ontario with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the west.

6
°C maximum temperature
0
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
30
kph wind from W

Ontario weather for Friday 23rd April 2021

Below is the Ontario weather forecast for Friday 23rd April 2021. Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

15
°C maximum temperature
1
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
23
kph wind from W

Ontario weather for Saturday 24th April 2021

Below is the Ontario weather forecast for Saturday 24th April 2021. Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.