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.

  • Saturday
    20th Dec
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    21st Dec
    Broken clouds
  • Monday
    22nd Dec
    Cloudy with sleet or snow (2-5 cm of snow expected)
  • Tuesday
    23rd Dec
    Overcast with light snow (2-5 cm of snow expected)
  • Wednesday
    24th Dec
    Broken clouds

5-day weather forecast updated at 04:00 on Saturday 20th 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 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.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Fresh breeze of 30 kph from the South-West30
    kph wind from SW

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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.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Fresh breeze of 34 kph from the West34
    kph wind from W

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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.

  • 0°C maximum temperature0
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 82% chance of some snow82
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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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.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Overcast with light snow
    overcast with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 47% chance of some snow47
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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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.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 25 kph from the North-West25
    kph wind from NW

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

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