Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 9°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

5-day weather forecast updated at 04:00 on Saturday 17th October 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 Saturday 17th October 2026

Expect clear skies in Ontario with a maximum temperature of 9°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north.

  • 9°C maximum temperature9
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 24 kph from the North24
    kph wind from N

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Ontario weather for Sunday 18th October 2026

Expect clear skies in Ontario with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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Ontario weather for Monday 19th October 2026

Expect clear skies in Ontario with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 17°C maximum temperature17
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Ontario weather for Tuesday 20th October 2026

Expect scattered clouds in Ontario with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 17°C wind chill17
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Ontario weather for Wednesday 21st October 2026

Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Light breeze of 12 kph from the East12
    kph wind from E

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