Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 18°F. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Sunday 14th December 2025 GMT

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

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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.

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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 Sunday 14th December 2025

Expect broken clouds in Ontario with a maximum temperature of 18°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 14 mph from the north-west.

  • 18°F maximum temperature18
    °F maximum temperature
  • 14°F minimum temperature14
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • 5°F wind chill5
    °F wind chill
  • Moderate breeze of 14 mph from the North-West14
    mph wind from NW

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Ontario weather for Monday 15th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of 25°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 85% chance of some snow and a fresh breeze of 18 mph from the south-west.

  • 25°F maximum temperature25
    °F maximum temperature
  • 18°F minimum temperature18
    °F minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 85% chance of some snow85
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 10°F wind chill10
    °F wind chill
  • Fresh breeze of 18 mph from the South-West18
    mph wind from SW

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Ontario weather for Tuesday 16th December 2025

Expect broken clouds in Ontario with a maximum temperature of 34°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the south-west.

  • 34°F maximum temperature34
    °F maximum temperature
  • 18°F minimum temperature18
    °F minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°F wind chill23
    °F wind chill
  • Fresh breeze of 20 mph from the South-West20
    mph wind from SW

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Ontario weather for Wednesday 17th December 2025

Expect overcast skies in Ontario with a maximum temperature of 37°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the south-west.

  • 37°F maximum temperature37
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 27°F wind chill27
    °F wind chill
  • Fresh breeze of 21 mph from the South-West21
    mph wind from SW

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Ontario weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Ontario with a maximum temperature of 43°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 19 mph from the south.

  • 43°F maximum temperature43
    °F maximum temperature
  • 27°F minimum temperature27
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 82% chance of some rain82
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 36°F wind chill36
    °F wind chill
  • Fresh breeze of 19 mph from the South19
    mph wind from S

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