Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 15°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 Wednesday 8th October 2025 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 Wednesday 8th October 2025

Expect scattered clouds in Ontario with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.

  • 15°C maximum temperature15
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    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 24 kph from the North-West24
    kph wind from NW

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Ontario weather for Thursday 9th October 2025

Expect clear skies in Ontario with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °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
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Ontario weather for Friday 10th October 2025

Expect scattered clouds in Ontario with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

  • 16°C maximum temperature16
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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Ontario weather for Saturday 11th October 2025

Expect sunshine and showers in Ontario with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 17 kph from the east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 21% chance of some rain21
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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Ontario weather for Sunday 12th October 2025

Expect scattered clouds in Ontario with a maximum temperature of 16°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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

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