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.

  • Sunday
    21st Dec
    Broken clouds
  • Monday
    22nd Dec
    Clear skies with flurries of snow (5-10 cm of snow expected)
  • Tuesday
    23rd Dec
    Overcast with light snow (2-5 cm of snow expected)
  • Wednesday
    24th Dec
    Broken clouds
  • Thursday
    25th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Sunday 21st 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 Sunday 21st December 2025

Expect broken clouds in Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    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 37 kph from the West37
    kph wind from W

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Ontario weather for Monday 22nd December 2025

Expect clear skies with flurries of snow in Ontario with a maximum temperature of 2°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 cm of snow expected with 61% chance of some snow and a moderate breeze of 22 kph from the south-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 61% chance of some snow61
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -3°C wind chill-3
    °C wind chill
  • Moderate breeze of 22 kph from the South-West22
    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 44% chance of some snow and a moderate breeze of 28 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 2°C minimum temperature2
    °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)
  • 44% chance of some snow44
    % 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 28 kph from the West28
    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 3°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °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
  • Moderate breeze of 28 kph from the North-West28
    kph wind from NW

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Ontario weather for Thursday 25th December 2025

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 33% chance of some sleet or snow and a gentle breeze of 19 kph from the east.

  • 4°C maximum temperature4
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 33% chance of some sleet or snow33
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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

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