Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 1°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Monday 8th 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 9th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 80% chance of some snow and a fresh breeze of 31 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -6°C minimum temperature-6
    °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)
  • 80% chance of some snow80
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Fresh breeze of 31 kph from the South-West31
    kph wind from SW

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Ontario weather for Wednesday 10th December 2025

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 3°C and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 79% chance of some sleet or snow and a moderate breeze of 28 kph from the north-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -4°C minimum temperature-4
    °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)
  • 79% chance of some sleet or snow79
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • -3°C wind chill-3
    °C wind chill
  • Moderate breeze of 28 kph from the North-West28
    kph wind from NW

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Ontario weather for Thursday 11th December 2025

Expect broken clouds in Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 24 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -5°C minimum temperature-5
    °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 cm of snow expected0
    cm of snow expected
  • -9°C wind chill-9
    °C wind chill
  • Moderate breeze of 24 kph from the West24
    kph wind from W

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Ontario weather for Friday 12th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -2°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 55% chance of some snow and a moderate breeze of 21 kph from the west.

  • -2°C maximum temperature-2
    °C maximum temperature
  • -5°C minimum temperature-5
    °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)
  • 55% chance of some snow55
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Moderate breeze of 21 kph from the West21
    kph wind from W

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Ontario weather for Saturday 13th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 50% chance of some snow and a fresh breeze of 31 kph from the west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -7°C minimum temperature-7
    °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)
  • 50% chance of some snow50
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °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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