Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 24°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 Friday 4th September 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 Friday 4th September 2026

Expect scattered clouds in Ontario with a maximum temperature of 24°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 24°C wind chill24
    °C wind chill
  • Light breeze of 11 kph from the North11
    kph wind from N

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Ontario weather for Saturday 5th September 2026

Expect scattered clouds in Ontario with a maximum temperature of 21°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the North11
    kph wind from N

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Ontario weather for Sunday 6th September 2026

Expect scattered clouds in Ontario with a maximum temperature of 20°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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Ontario weather for Monday 7th September 2026

Expect broken clouds in Ontario with a maximum temperature of 22°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 22°C maximum temperature22
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the South10
    kph wind from S

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Ontario weather for Tuesday 8th September 2026

Expect broken clouds in Ontario with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 14 kph from the East14
    kph wind from E

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