Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 4°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 Saturday 27th 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 28th December 2025

Expect mostly cloudy with rain in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 20 kph from the east.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C 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)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Moderate breeze of 20 kph from the East20
    kph wind from E

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Ontario weather for Monday 29th December 2025

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 6°C and no hours of bright sunshine. There are 20-30 mm of sleet/snow expected with 56% chance of some sleet or snow and a strong breeze of 42 kph from the west.

  • 6°C maximum temperature6
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 56% chance of some sleet or snow56
    % chance of some sleet or snow
  • 20-30 mm of sleet/snow expected<30
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Strong breeze of 42 kph from the West42
    kph wind from W

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Ontario weather for Tuesday 30th December 2025

Expect broken clouds in Ontario with a maximum temperature of -2°C and 3 hours of bright sunshine. There are 0 cm of snow expected and a strong breeze of 42 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -7°C minimum temperature-7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 cm of snow expected0
    cm of snow expected
  • -11°C wind chill-11
    °C wind chill
  • Strong breeze of 42 kph from the West42
    kph wind from W

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Ontario weather for Wednesday 31st 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 53% chance of some snow and a moderate breeze of 27 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)
  • 53% chance of some snow53
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Moderate breeze of 27 kph from the West27
    kph wind from W

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Ontario weather for Thursday 1st January 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 40% chance of some snow and a fresh breeze of 31 kph from the west.

  • -8°C maximum temperature-8
    °C maximum temperature
  • -11°C minimum temperature-11
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 40% chance of some snow40
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -17°C wind chill-17
    °C wind chill
  • Fresh breeze of 31 kph from the West31
    kph wind from W

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

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