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.

5-day weather forecast updated at 04:01 on Sunday 14th December 2025 GMT

More about Ontario

Ontario by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Marriott discount code: Kids stay & eat for free

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12
Show discount codeShow discount code ******ZJ6
Redeem Marriott discount code >>

View all Marriott offers

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.

All Ontario destinations

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 Sunday 14th December 2025

Expect broken clouds in Ontario with a maximum temperature of -8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 cm of snow expected and a moderate breeze of 22 kph from the north-west.

  • -8°C maximum temperature-8
    °C maximum temperature
  • -10°C minimum temperature-10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 cm of snow expected0
    cm of snow expected
  • -15°C wind chill-15
    °C wind chill
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

Back to top

Ontario weather for Monday 15th December 2025

Expect mostly cloudy with light snow in Ontario with a maximum temperature of -4°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 cm of snow expected with 85% chance of some snow and a fresh breeze of 29 kph from the south-west.

  • -4°C maximum temperature-4
    °C maximum temperature
  • -8°C minimum temperature-8
    °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)
  • 85% chance of some snow85
    % chance of some snow
  • 0-2 cm of snow expected<2
    cm of snow expected
  • -12°C wind chill-12
    °C wind chill
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

Back to top

Ontario weather for Tuesday 16th December 2025

Expect broken clouds in Ontario with a maximum temperature of 1°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the south-west.

  • 1°C maximum temperature1
    °C maximum temperature
  • -8°C minimum temperature-8
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 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
  • -5°C wind chill-5
    °C wind chill
  • Fresh breeze of 32 kph from the South-West32
    kph wind from SW

Back to top

Ontario weather for Wednesday 17th December 2025

Expect overcast skies in Ontario with a maximum temperature of 3°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the south-west.

  • 3°C maximum temperature3
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • -3°C wind chill-3
    °C wind chill
  • Fresh breeze of 34 kph from the South-West34
    kph wind from SW

Back to top

Ontario weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Ontario with a maximum temperature of 6°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 31 kph from the south.

  • 6°C maximum temperature6
    °C maximum temperature
  • -3°C minimum temperature-3
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 82% chance of some rain82
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 31 kph from the South31
    kph wind from S

Back to top

Virgin Holidays: Latest offers on 2025 holidays

  • Book online & save on long haul holidays in 2025
  • Destinations include New York, Caribbean & beyond
  • Ideal for summer, winter & half term family holidays
Go to Virgin Holidays deal >>

View all Virgin Holidays offers

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

Back to top

More about Ontario

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^