Ontario weather forecast

  • Tuesday
    18th Dec
    Scattered clouds
  • Wednesday
    19th Dec
    Scattered clouds
  • Thursday
    20th Dec
    Overcast skies (0-2 mm of rainfall expected)
  • Friday
    21st Dec
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Saturday
    22nd Dec
    Overcast skies (0-2 mm of rainfall expected)

Last updated at 04:13 on Tuesday 18th December 2018 GMT

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Tomorrow's maximum temperature in Ontario is expected to be 5°C. The weather forecast shown above is for Toronto.

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The 5-day weather forecast for Ontario, represented by Toronto, is provided by the Swiss meteorological agency, MeteoBlue. Find out more about our data sources.

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

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 18th December 2018

Below is the Ontario weather forecast for Tuesday 18th December 2018. Expect scattered clouds in Ontario with a maximum temperature of 1°C and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Gentle breeze of 16 kph from the North-West16
    kph wind from NW

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Ontario weather for Wednesday 19th December 2018

Below is the Ontario weather forecast for Wednesday 19th December 2018. Expect scattered clouds in Ontario with a maximum temperature of 5°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

  • 5°C maximum temperature5
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Little or no wind of 6 kph from the West6
    kph wind from W

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Ontario weather for Thursday 20th December 2018

Below is the Ontario weather forecast for Thursday 20th December 2018. Expect overcast skies in Ontario with a maximum temperature of 5°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and little or no wind of 5 kph from the south-east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • 45% chance of some rain45
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Little or no wind of 5 kph from the South-East5
    kph wind from SE

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Ontario weather for Friday 21st December 2018

Below is the Ontario weather forecast for Friday 21st December 2018. Expect cloudy with some rain in Ontario with a maximum temperature of 6°C and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and little or no wind of 4 kph from the north-west.

  • 6°C maximum temperature6
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Little or no wind of 4 kph from the North-West4
    kph wind from NW

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Ontario weather for Saturday 22nd December 2018

Below is the Ontario weather forecast for Saturday 22nd December 2018. Expect overcast skies in Ontario with a maximum temperature of 3°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a light breeze of 10 kph from the west.

  • 3°C maximum temperature3
    °C maximum temperature
  • 0°C minimum temperature0
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • 56% chance of some rain56
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 0°C wind chill0
    °C wind chill
  • Light breeze of 10 kph from the West10
    kph wind from W

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Popular Ontario destinations

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

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