Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 8°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

  • Friday
    20th Mar
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Saturday
    21st Mar
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Sunday
    22nd Mar
    Cloudy with sleet or snow (10-20 mm of rainfall expected)
  • Monday
    23rd Mar
    Broken clouds
  • Tuesday
    24th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Friday 20th 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 20th March 2026

Expect mostly cloudy with rain in Ontario with a maximum temperature of 8°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 27 kph from the north.

  • 8°C maximum temperature8
    °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 2 (Low)2
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 27 kph from the North27
    kph wind from N

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Ontario weather for Saturday 21st March 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 49% chance of some snow and a gentle breeze of 15 kph from the north-west.

  • 4°C maximum temperature4
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 49% chance of some snow49
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 15 kph from the North-West15
    kph wind from NW

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Ontario weather for Sunday 22nd March 2026

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 77% chance of some sleet or snow and a moderate breeze of 24 kph from the north-east.

  • 4°C maximum temperature4
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 77% chance of some sleet or snow77
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Moderate breeze of 24 kph from the North-East24
    kph wind from NE

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Ontario weather for Monday 23rd March 2026

Expect broken clouds in Ontario with a maximum temperature of 2°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-west.

  • 2°C maximum temperature2
    °C maximum temperature
  • -2°C minimum temperature-2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Moderate breeze of 26 kph from the North-West26
    kph wind from NW

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Ontario weather for Tuesday 24th March 2026

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

  • 4°C maximum temperature4
    °C maximum temperature
  • -5°C minimum temperature-5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    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
  • -1°C wind chill-1
    °C wind chill
  • Moderate breeze of 25 kph from the South-West25
    kph wind from SW

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

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