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 04:00 on Friday 27th March 2026 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 Friday 27th March 2026

Expect scattered clouds in Ontario with a maximum temperature of 1°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

  • 1°C maximum temperature1
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -6°C wind chill-6
    °C wind chill
  • Fresh breeze of 31 kph from the North31
    kph wind from N

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Ontario weather for Saturday 28th March 2026

Expect broken clouds in Ontario with a maximum temperature of 2°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Moderate breeze of 26 kph from the West26
    kph wind from W

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Ontario weather for Sunday 29th March 2026

Expect broken clouds in Ontario with a maximum temperature of 9°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

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Ontario weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Gentle breeze of 16 kph from the West16
    kph wind from W

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Ontario weather for Tuesday 31st March 2026

Expect mostly cloudy with rain in Ontario with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 27 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 27 kph from the South-East27
    kph wind from SE

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

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