Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 7°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

  • Thursday
    19th Mar
    Mostly cloudy with light snow (0-2 cm of snow expected)
  • Friday
    20th Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Saturday
    21st Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Sunday
    22nd Mar
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Monday
    23rd Mar
    Clear skies with flurries of snow (0-2 cm of snow expected)

5-day weather forecast updated at 04:00 on Thursday 19th 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.

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 Thursday 19th March 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 6% chance of some snow and a moderate breeze of 20 kph from the west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 6% chance of some snow6
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 20 kph from the West20
    kph wind from W

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Ontario weather for Friday 20th March 2026

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 5°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 5°C maximum temperature5
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 82% chance of some rain82
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 1°C wind chill1
    °C wind chill
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Ontario weather for Saturday 21st March 2026

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 8°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 22 kph from the west.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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Ontario weather for Sunday 22nd March 2026

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 7°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 63% chance of some sleet or snow and a moderate breeze of 23 kph from the north-east.

  • 7°C maximum temperature7
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with sleet or snow
    cloudy with sleet or snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 63% chance of some sleet or snow63
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 3°C wind chill3
    °C wind chill
  • Moderate breeze of 23 kph from the North-East23
    kph wind from NE

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Ontario weather for Monday 23rd March 2026

Expect clear skies with flurries of snow in Ontario with a maximum temperature of 2°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 12% chance of some snow and a moderate breeze of 25 kph from the north.

  • 2°C maximum temperature2
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 12% chance of some snow12
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 25 kph from the North25
    kph wind from N

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

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