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Ontario weather live forecast
Tomorrow's maximum temperature in Ontario is expected to be 5°C.
-
Monday
17th Mar -
Tuesday
18th Mar -
Wednesday
19th Mar -
Thursday
20th Mar -
Friday
21st Mar
5-day weather forecast updated at 04:00 on Monday 17th March 2025 GMT
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Recommended for Ontario
The 5-day weather forecast for Ontario (Toronto) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Top Ontario destinations
Below are temperatures expected today at popular countries, regions and places in Ontario. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
All Ontario destinations
- Hamilton
- Kenora
- Kingston
- Moosonee
- Niagara Falls
- North Bay
- Ottawa
- Peawanuk
- Sault Ste. Marie
- Sudbury
- Thunder Bay
- Timmins
- Toronto
- Windsor
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 Monday 17th March 2025
Expect broken clouds in Ontario with a maximum temperature of 5°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- °C wind chill
- kph wind from NW
Ontario weather for Tuesday 18th March 2025
Expect broken clouds in Ontario with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- °C wind chill
- kph wind from S
Ontario weather for Wednesday 19th March 2025
Expect broken clouds in Ontario with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- kph wind from S
Ontario weather for Thursday 20th March 2025
Expect mostly cloudy with rain in Ontario with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a fresh breeze of 37 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with rain
- hour of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SW
Ontario weather for Friday 21st March 2025
Expect scattered clouds in Ontario with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- °C wind chill
- kph wind from NW
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Metric (°C / mm) | Imperial (°F / inches)
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