Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 10°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

  • Wednesday
    11th Mar
    Isolated thunderstorms (10-20 mm of rainfall expected)
  • Thursday
    12th Mar
    Broken clouds
  • Friday
    13th Mar
    Cloudy with sleet or snow (5-10 mm of rainfall expected)
  • Saturday
    14th Mar
    Broken clouds
  • Sunday
    15th Mar
    Cloudy with sleet or snow (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Wednesday 11th 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 Wednesday 11th March 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 10°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 36 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 100% chance of some rain100
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 36 kph from the East36
    kph wind from E

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Ontario weather for Thursday 12th March 2026

Expect broken clouds in Ontario with a maximum temperature of 4°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the west.

  • 4°C maximum temperature4
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -2°C wind chill-2
    °C wind chill
  • Strong breeze of 39 kph from the West39
    kph wind from W

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Ontario weather for Friday 13th March 2026

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 6°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of sleet/snow expected with 82% chance of some sleet or snow and a strong breeze of 43 kph from the south.

  • 6°C maximum temperature6
    °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 2 (Low)2
    UV index (Low)
  • 82% chance of some sleet or snow82
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 1°C wind chill1
    °C wind chill
  • Strong breeze of 43 kph from the South43
    kph wind from S

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Ontario weather for Saturday 14th March 2026

Expect broken clouds in Ontario with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the west.

  • 3°C maximum temperature3
    °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 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -4°C wind chill-4
    °C wind chill
  • Fresh breeze of 38 kph from the West38
    kph wind from W

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Ontario weather for Sunday 15th March 2026

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 6°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 85% chance of some sleet or snow and a fresh breeze of 37 kph from the east.

  • 6°C maximum temperature6
    °C maximum temperature
  • -2°C minimum temperature-2
    °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)
  • 85% chance of some sleet or snow85
    % chance of some sleet or snow
  • 5-10 mm of sleet/snow expected<10
    mm of sleet/snow expected
  • 0°C wind chill0
    °C wind chill
  • Fresh breeze of 37 kph from the East37
    kph wind from E

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

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