Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 10°C. Select a day from the live weather forecast for Ontario (Toronto), Canada for more weather parameters.

  • Saturday
    25th Oct
    Broken clouds
  • Sunday
    26th Oct
    Broken clouds
  • Monday
    27th Oct
    Broken clouds
  • Tuesday
    28th Oct
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Wednesday
    29th Oct
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Saturday 25th 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.

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.

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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 25th October 2025

Expect broken clouds in Ontario with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    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
  • Light breeze of 11 kph from the North-West11
    kph wind from NW

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Ontario weather for Sunday 26th October 2025

Expect broken clouds in Ontario with a maximum temperature of 8°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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Ontario weather for Monday 27th October 2025

Expect broken clouds in Ontario with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Moderate breeze of 20 kph from the North-East20
    kph wind from NE

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Ontario weather for Tuesday 28th October 2025

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 11°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 23 kph from the east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 23 kph from the East23
    kph wind from E

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Ontario weather for Wednesday 29th October 2025

Expect mostly cloudy with light rain in Ontario with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 17 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 17 kph from the North-East17
    kph wind from NE

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

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