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Hourly Forecast - Toronto

HEAT WARNING

A heat event expected to begin today and may continue into Tuesday. A hot and humid airmass will reach southern Ontario Sunday. Daytime maximum temperatures are expected to be near 30 degrees Celsius with humidex values near 40. There will be little relief at night as minimum temperatures are expected to be near 20 degrees Celsius. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high risk category. A cooler airmass is expected to arrive Tuesday night. Extreme heat can affect everyone’s health. Drink plenty of water regularly, even before you feel thirsty to decrease your risk of dehydration. Thirst is not a good indicator of dehydration. Limit direct sun exposure. Shade yourself by wearing a wide-brimmed, breathable hat and/or an umbrella. Never leave people, particularly children, or pets inside a parked vehicle. Ask a health professional, such as a pharmacist or physician, how medications or health conditions can affect your risk in the heat. When it’s hot, eat cool, light meals. Avoid using the oven. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.

In effect for:
  • City of Toronto
Date/Time
(EDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) Wind
(km/h)
Humidex
14 July 2024
11:00 26 Mainly cloudy

Mainly cloudy

0S 15
31
12:00 27 Mainly cloudy

Mainly cloudy

10S 15
34
13:00 28 Mainly cloudy

Mainly cloudy

10SW 20
36
14:00 29 Cloudy

Cloudy

10SW 20
39
15:00 29 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 20
39
16:00 30 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 20
40
17:00 30 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 20
40
18:00 28 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
38
19:00 27 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
36
20:00 25 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
34
21:00 24 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
32
22:00 23 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
31
23:00 22 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 15
30
15 July 2024
00:00 22 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 10
30
01:00 21 Chance of showers. Risk of thunderstorms

Chance of showers. Risk of thunderstorms

40SW 10
29
02:00 21 Chance of showers

Chance of showers

40SW 10
29
03:00 21 Chance of showers

Chance of showers

40SW 10
29
04:00 20 Chance of showers

Chance of showers

40SW 10
28
05:00 20 Chance of showers

Chance of showers

40SW 10
28
06:00 21 Mainly cloudy

Mainly cloudy

20SW 10
29
07:00 21 Mainly cloudy

Mainly cloudy

20SW 10
29
08:00 22 Cloudy

Cloudy

20SW 10
30
09:00 23 Cloudy

Cloudy

20SW 10
32
10:00 25 Cloudy

Cloudy

20SE 15
34

* Value not significant

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