Ontario weather forecast

  • Sunday
    5th Dec
    Cloudy with sleet or snow (2-5 mm of rainfall expected)
  • Monday
    6th Dec
    Mostly cloudy with rain (20-30 mm of rainfall expected)
  • Tuesday
    7th Dec
    Broken clouds
  • Wednesday
    8th Dec
    Broken clouds (0-2 cm of snow expected)
  • Thursday
    9th Dec
    Scattered clouds

Last updated at 04:02 on Sunday 5th December 2021 GMT

Below are temperatures expected tomorrow at popular destinations in Ontario. Select a destination to see the 5-day weather forecast.

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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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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 5th December 2021

Below is the Ontario weather forecast for Sunday 5th December 2021. Expect cloudy with sleet or snow in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 86% chance of some sleet or snow and a moderate breeze of 28 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 86% chance of some sleet or snow86
    % chance of some sleet or snow
  • 2-5 mm of sleet/snow expected<5
    mm of sleet/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 Monday 6th December 2021

Below is the Ontario weather forecast for Monday 6th December 2021. Expect mostly cloudy with rain in Ontario with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 32 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour 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
  • 5°C wind chill5
    °C wind chill
  • Fresh breeze of 32 kph from the West32
    kph wind from W

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Ontario weather for Tuesday 7th December 2021

Below is the Ontario weather forecast for Tuesday 7th December 2021. Expect broken clouds in Ontario with a maximum temperature of 0°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 26 kph from the west.

  • 0°C maximum temperature0
    °C maximum temperature
  • -5°C minimum temperature-5
    °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 cm of snow expected0
    cm of snow expected
  • -6°C wind chill-6
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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Ontario weather for Wednesday 8th December 2021

Below is the Ontario weather forecast for Wednesday 8th December 2021. 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 0-2 cm of snow expected with 37% chance of some snow and a light breeze of 11 kph from the north.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -6°C minimum temperature-6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 37% chance of some snow37
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -5°C wind chill-5
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Ontario weather for Thursday 9th December 2021

Below is the Ontario weather forecast for Thursday 9th December 2021. Expect scattered clouds in Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

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

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