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.

5-day weather forecast updated at 04:00 on Friday 12th 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 Saturday 13th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 8% chance of some snow and a fresh breeze of 30 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 8% chance of some snow8
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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Ontario weather for Sunday 14th December 2025

Expect clear skies with flurries of snow in Ontario with a maximum temperature of -6°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0-2 cm of snow expected with 6% chance of some snow and a moderate breeze of 22 kph from the north-west.

  • -6°C maximum temperature-6
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 6% chance of some snow6
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -13°C wind chill-13
    °C wind chill
  • Moderate breeze of 22 kph from the North-West22
    kph 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 -4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 61% chance of some snow and a moderate breeze of 27 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -10°C minimum temperature-10
    °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)
  • 61% chance of some snow61
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Moderate breeze of 27 kph from the West27
    kph wind from W

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Ontario weather for Tuesday 16th December 2025

Expect broken clouds in Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -7°C minimum temperature-7
    °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 29 kph from the South-West29
    kph wind from SW

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Ontario weather for Wednesday 17th December 2025

Expect overcast skies in Ontario with a maximum temperature of 3°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Fresh breeze of 30 kph from the South-West30
    kph wind from SW

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

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