Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be -5°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

5-day weather forecast updated at 04:01 on Saturday 17th 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.

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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 Monday 19th January 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 29% chance of some snow and a strong breeze of 42 kph from the west.

  • -5°C maximum temperature-5
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 29% chance of some snow29
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -14°C wind chill-14
    °C wind chill
  • Strong breeze of 42 kph from the West42
    kph wind from W

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Ontario weather for Tuesday 20th January 2026

Expect clear skies with flurries of snow in Ontario with a maximum temperature of -10°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 22% chance of some snow and a fresh breeze of 36 kph from the west.

  • -10°C maximum temperature-10
    °C maximum temperature
  • -13°C minimum temperature-13
    °C minimum temperature
  • Clear skies with flurries of snow
    clear skies with flurries of snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 22% chance of some snow22
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -20°C wind chill-20
    °C wind chill
  • Fresh breeze of 36 kph from the West36
    kph wind from W

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Ontario weather for Wednesday 21st January 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 cm of snow expected with 78% chance of some snow and a moderate breeze of 28 kph from the south-west.

  • -1°C maximum temperature-1
    °C maximum temperature
  • -9°C minimum temperature-9
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 78% chance of some snow78
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -8°C wind chill-8
    °C wind chill
  • Moderate breeze of 28 kph from the South-West28
    kph wind from SW

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Ontario weather for Thursday 22nd January 2026

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -3°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 cm of snow expected with 42% chance of some snow and a fresh breeze of 30 kph from the west.

  • -3°C maximum temperature-3
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Mostly cloudy with light snow
    mostly cloudy with light snow
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 42% chance of some snow42
    % chance of some snow
  • 2-5 cm of snow expected<5
    cm of snow expected
  • -10°C wind chill-10
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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

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