Forecast - Environment Canada

Forecast

Toronto, ON (Issued: 5:00 AM EDT Thursday 18 June 2026)

Today

Showers ending this morning then cloudy with 40 percent chance of showers. Risk of a thunderstorm early this morning. Wind southwest 40 km/h gusting to 70. High 21. Humidex 25. UV index 6 or high.

Tonight

Mainly cloudy. 30 percent chance of showers early this evening. Clearing overnight. Wind west 30 km/h becoming light late this evening. Wind becoming west 20 before morning. Low 14.

Fri, 19 Jun

Sunny. Becoming a mix of sun and cloud in the morning. Wind west 30 km/h. High 23. Humidex 25. UV index 8 or very high.

Night

Clear. Low 13.

Sat, 20 Jun

Sunny. High 24.

Night

Cloudy periods. Low 13.

Sun, 21 Jun

Sunny. High 24.

Night

Increasing cloudiness. Low 14.

Mon, 22 Jun

Cloudy with 60 percent chance of rain. High 21.

Night

Cloudy periods with 60 percent chance of rain. Low 13.

Tue, 23 Jun

A mix of sun and cloud. High 24.

Night

Cloudy periods. Low 13.

Wed, 24 Jun

A mix of sun and cloud. High 24.

24 Hour Forecast - Toronto, ON

Date/Time	Temp. (°C)	Weather Conditions	LOP †	Wind (km/h)
18 June 2026
5 AM	15	Showers. Risk of thunderstorms	100	SW 40 gust 60
6 AM	15	Chance of showers	60	SW 40 gust 60
7 AM	16	Chance of showers	60	SW 40 gust 60
8 AM	16	Chance of showers	60	SW 40 gust 70
9 AM	17	Chance of showers	60	SW 40 gust 70
10 AM	18	Chance of showers. Risk of thunderstorms	60	SW 40 gust 70
11 AM	19	Chance of showers. Risk of thunderstorms	60	W 40 gust 70
12 PM	20	Chance of showers. Risk of thunderstorms	60	W 40 gust 70
1 PM	21	Chance of showers. Risk of thunderstorms	60	W 40 gust 70
2 PM	22	Chance of showers. Risk of thunderstorms	60	W 30 gust 60
3 PM	22	Chance of showers. Risk of thunderstorms	60	W 30 gust 60
4 PM	23	Chance of showers	60	W 30 gust 60
5 PM	23	Chance of showers	60	W 30 gust 50
6 PM	21	Chance of showers	40	W 30
7 PM	20	Chance of showers	40	W 30
8 PM	19	Chance of showers	40	W 30
9 PM	18	Chance of showers	40	W 30
10 PM	17	Chance of showers	40	W 30
11 PM	16	Chance of showers	40	W 15
19 June 2026
12 AM	16	Chance of showers	40	W 15
1 AM	15	Chance of showers	40	W 15
2 AM	15	Partly cloudy	0	W 15
3 AM	15	A few clouds	0	W 15
4 AM	15	A few clouds	0	W 15

† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time. Nil: 0% Low: 40% or below Medium: 60% or 70% High: Above 70%

Extended Forecast - Environment Canada
Today Chance of showers Max: 21°C	Fri, 19 Jun A mix of sun and cloud Max: 23°C	Sat, 20 Jun Sunny Max: 24°C	Sun, 21 Jun Sunny Max: 24°C	Mon, 22 Jun Periods of rain Max: 21°C	Tue, 23 Jun A mix of sun and cloud Max: 24°C	Wed, 24 Jun A mix of sun and cloud Max: 24°C
Tonight Chance of showers Min: 14°C	Night Clear Min: 13°C	Night Cloudy periods Min: 13°C	Night Cloudy Min: 14°C	Night Periods of rain Min: 13°C	Night Cloudy periods Min: 13°C