Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 2°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

  • Tuesday
    16th Dec
    Broken clouds
  • Wednesday
    17th Dec
    Broken clouds
  • Thursday
    18th Dec
    Overcast with light rain (5-10 mm of rainfall expected)
  • Friday
    19th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Saturday
    20th Dec
    Mostly cloudy with light snow (0-2 cm of snow expected)

5-day weather forecast updated at 04:00 on Tuesday 16th 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.

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.

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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 16th December 2025

Expect broken clouds in Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 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
  • -5°C wind chill-5
    °C wind chill
  • Fresh breeze of 34 kph from the South-West34
    kph wind from SW

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Ontario weather for Wednesday 17th December 2025

Expect broken clouds in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Fresh breeze of 35 kph from the South-West35
    kph wind from SW

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Ontario weather for Thursday 18th December 2025

Expect overcast with light rain in Ontario with a maximum temperature of 7°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 26 kph from the south.

  • 7°C maximum temperature7
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 99% chance of some rain99
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Ontario weather for Friday 19th December 2025

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 6°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 41% chance of some sleet or snow and a fresh breeze of 34 kph from the west.

  • 6°C maximum temperature6
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 41% chance of some sleet or snow41
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 1°C wind chill1
    °C wind chill
  • Fresh breeze of 34 kph from the West34
    kph wind from W

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Ontario weather for Saturday 20th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 62% chance of some snow and a moderate breeze of 26 kph from the south.

  • 3°C maximum temperature3
    °C maximum temperature
  • -7°C minimum temperature-7
    °C 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)
  • 62% chance of some snow62
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -3°C wind chill-3
    °C wind chill
  • Moderate breeze of 26 kph from the South26
    kph wind from S

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Metric (°C / mm)  |  Imperial (°F / inches)

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