Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 27°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 Sunday 26th July 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 Sunday 26th July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 66% chance of some rain and a light breeze of 12 kph from the south.

  • 27°C maximum temperature27
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 66% chance of some rain66
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 12 kph from the South12
    kph wind from S

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Ontario weather for Monday 27th July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% chance of some rain and a light breeze of 12 kph from the south-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 49% chance of some rain49
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Ontario weather for Tuesday 28th July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 22 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 77% chance of some rain77
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Moderate breeze of 22 kph from the North22
    kph wind from N

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Ontario weather for Wednesday 29th July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 42% chance of some rain and a moderate breeze of 23 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 42% chance of some rain42
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North23
    kph wind from N

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Ontario weather for Thursday 30th July 2026

Expect broken clouds in Ontario with a maximum temperature of 23°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

  • 23°C maximum temperature23
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the North18
    kph wind from N

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  • Save on skiing holidays to Canada in winter 2025/2026
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  • Filter by promotional offers, duration, board basis & more
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