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.

  • Monday
    5th Jan
    Mostly cloudy with snow (5-10 cm of snow expected)
  • Tuesday
    6th Jan
    Cloudy with sleet or snow (10-20 mm of rainfall expected)
  • Wednesday
    7th Jan
    Overcast skies
  • Thursday
    8th Jan
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Friday
    9th Jan
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Monday 5th January 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 Monday 5th January 2026

Expect mostly cloudy with snow in Ontario with a maximum temperature of 1°C and no hours of bright sunshine. There are 5-10 cm of snow expected with 79% chance of some snow and a moderate breeze of 20 kph from the south-east.

  • 1°C maximum temperature1
    °C maximum temperature
  • -4°C minimum temperature-4
    °C minimum temperature
  • Mostly cloudy with snow
    mostly cloudy with snow
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 79% chance of some snow79
    % chance of some snow
  • 5-10 cm of snow expected<10
    cm of snow expected
  • -4°C wind chill-4
    °C wind chill
  • Moderate breeze of 20 kph from the South-East20
    kph wind from SE

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Ontario weather for Tuesday 6th January 2026

Expect cloudy with sleet or snow in Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 99% chance of some sleet or snow and a moderate breeze of 20 kph from the east.

  • 3°C maximum temperature3
    °C maximum temperature
  • -1°C minimum temperature-1
    °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)
  • 99% chance of some sleet or snow99
    % chance of some sleet or snow
  • 10-20 mm of sleet/snow expected<20
    mm of sleet/snow expected
  • -2°C wind chill-2
    °C wind chill
  • Moderate breeze of 20 kph from the East20
    kph wind from E

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Ontario weather for Wednesday 7th January 2026

Expect overcast skies in Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

  • 3°C maximum temperature3
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -1°C wind chill-1
    °C wind chill
  • Gentle breeze of 18 kph from the West18
    kph wind from W

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Ontario weather for Thursday 8th January 2026

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 15 kph from the south.

  • 5°C maximum temperature5
    °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 1 (Low)1
    UV index (Low)
  • 46% chance of some rain46
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Gentle breeze of 15 kph from the South15
    kph wind from S

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Ontario weather for Friday 9th January 2026

Expect mostly cloudy with rain in Ontario with a maximum temperature of 9°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 19 kph from the south.

  • 9°C maximum temperature9
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 70% chance of some rain70
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 19 kph from the South19
    kph wind from S

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

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