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Ontario weather live forecast
Today's maximum temperature in Ontario is expected to be 3°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.
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Saturday
20th Dec -
Sunday
21st Dec -
Monday
22nd Dec -
Tuesday
23rd Dec -
Wednesday
24th Dec
5-day weather forecast updated at 04:00 on Saturday 20th December 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 Saturday 20th December 2025
Expect mostly cloudy with light rain in Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a fresh breeze of 30 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hour of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SW
Ontario weather for Sunday 21st December 2025
Expect broken clouds in Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Low)
- mm of rainfall expected
- °C wind chill
- kph wind from W
Ontario weather for Monday 22nd December 2025
Expect cloudy with sleet or snow in Ontario with a maximum temperature of 0°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 cm of snow expected with 82% chance of some snow and a moderate breeze of 23 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- cloudy with sleet or snow
- hours of sunshine
- UV index (Low)
- % chance of some snow
- cm of snow expected
- °C wind chill
- kph wind from SW
Ontario weather for Tuesday 23rd December 2025
Expect overcast with light snow in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 47% chance of some snow and a moderate breeze of 26 kph from the west.
- °C maximum temperature
- °C minimum temperature
- overcast with light snow
- hours of sunshine
- UV index (Low)
- % chance of some snow
- cm of snow expected
- °C wind chill
- kph wind from W
Ontario weather for Wednesday 24th December 2025
Expect broken clouds in Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Low)
- 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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