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 7th August 2026 GMT

More about Ontario

Ontario by month

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

Recommended for Ontario

Hurtigruten: Latest offers on worldwide cruises

  • Explore latest special offers on Hurtigruten Expeditions
  • Includes online discount, no single supplement & more
  • Browse top online deals & destination specific offers
Go to Hurtigruten deal >>

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 7th August 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a light breeze of 11 kph from the south.

  • 25°C maximum temperature25
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 41% chance of some rain41
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 25°C wind chill25
    °C wind chill
  • Light breeze of 11 kph from the South11
    kph wind from S

Back to top

Ontario weather for Saturday 8th August 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 18 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 18 kph from the South-West18
    kph wind from SW

Back to top

Ontario weather for Sunday 9th August 2026

Expect scattered clouds in Ontario with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 28°C maximum temperature28
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

Back to top

Ontario weather for Monday 10th August 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 20°C minimum temperature20
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 73% chance of some rain73
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

Back to top

Ontario weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Ontario with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 14 kph from the west.

  • 26°C maximum temperature26
    °C maximum temperature
  • 19°C minimum temperature19
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 51% chance of some rain51
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 14 kph from the West14
    kph wind from W

Back to top

Crystal Ski: Top ski deals to Canada

  • Save on skiing holidays to Canada in winter 2025/2026
  • Book early with Crystal Ski for the best deals
  • Filter by promotional offers, duration, board basis & more
Go to Crystal Ski deal >>

View all Crystal Ski 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 ^