Ontario weather live forecast

Today's maximum temperature in Ontario is expected to be 25°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 17th July 2026 GMT

More about Ontario

Ontario by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Air Canada: Top flight deals to Canada

  • Discover top Air Canada offers on flights to Canada
  • Browse lowest fares available or search by date
  • Book flights to Toronto, Vancouver, Calgary, Montreal & more
Go to Air Canada deal >>

View all Air Canada offers

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.

All Ontario destinations

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 17th July 2026

Expect broken clouds in Ontario with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

  • 25°C maximum temperature25
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

Back to top

Ontario weather for Saturday 18th July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 25°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a moderate breeze of 24 kph from the south-west.

  • 25°C maximum temperature25
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 89% chance of some rain89
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the South-West24
    kph wind from SW

Back to top

Ontario weather for Sunday 19th July 2026

Expect scattered clouds in Ontario with a maximum temperature of 23°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    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
  • Moderate breeze of 21 kph from the North-West21
    kph wind from NW

Back to top

Ontario weather for Monday 20th July 2026

Expect scattered clouds in Ontario with a maximum temperature of 25°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    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
  • Gentle breeze of 17 kph from the South17
    kph wind from S

Back to top

Ontario weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 79% chance of some rain79
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

Back to top

Canadian Affair: Latest special offers on holidays

  • Save on holidays to Canada with top deals & discounts
  • Book holidays, cruises, ski breaks & tours to Canada
  • Offers include discounts, upgrades & more
Go to Canadian Affair deal >>

View all Canadian Affair offers

More about Ontario

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^