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.

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 27th July 2021

Below is the Ontario weather forecast for Tuesday 27th July 2021. Expect isolated thunderstorms in Ontario with a maximum temperature of 24°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a light breeze of 10 kph from the north-west.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
80
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

Ontario weather for Wednesday 28th July 2021

Below is the Ontario weather forecast for Wednesday 28th July 2021. Expect isolated thunderstorms in Ontario with a maximum temperature of 24°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a light breeze of 10 kph from the north-east.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
10
kph wind from NE

Ontario weather for Thursday 29th July 2021

Below is the Ontario weather forecast for Thursday 29th July 2021. Expect isolated thunderstorms in Ontario with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 15 kph from the south.

25
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
65
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Ontario weather for Friday 30th July 2021

Below is the Ontario weather forecast for Friday 30th July 2021. Expect scattered clouds in Ontario with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

21
°C maximum temperature
14
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
23
kph wind from NW

Ontario weather for Saturday 31st July 2021

Below is the Ontario weather forecast for Saturday 31st July 2021. Expect isolated thunderstorms in Ontario with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 19 kph from the south-west.