Forecast - Environment Canada

Forecast

Toronto Island, ON (Issued: 3:30 PM EDT Tuesday 1 July 2025)

Tonight

Partly cloudy with 30 percent chance of showers early this evening. Otherwise clear. Risk of a thunderstorm early this evening. Wind northwest 20 km/h becoming light late this evening. Low 18.

Wed, 2 Jul

Sunny. Increasing cloudiness near noon then 30 percent chance of showers late in the afternoon. Risk of a thunderstorm late in the afternoon. Wind becoming west 20 km/h in the afternoon. High 30. Humidex 35. UV index 9 or very high.

Night

Partly cloudy. 30 percent chance of showers early in the evening and before morning. Risk of a thunderstorm. Wind west 20 km/h becoming light in the evening. Low 18.

Thu, 3 Jul

Sunny. High 24.

Night

Clear. Low 14.

Fri, 4 Jul

Sunny. High 26.

Night

Clear. Low 18.

Sat, 5 Jul

A mix of sun and cloud with 30 percent chance of showers. High 30.

Night

Cloudy periods with 30 percent chance of showers. Low 20.

Sun, 6 Jul

A mix of sun and cloud with 30 percent chance of showers. High 30.

Night

Cloudy periods with 40 percent chance of showers. Low 20.

Mon, 7 Jul

A mix of sun and cloud. High 26.

24 Hour Forecast - Toronto Island, ON

Date/Time	Temp. (°C)	Weather Conditions	LOP †	Wind (km/h)
2 July 2025
3 AM	19	Clear	0	W 15
4 AM	19	Clear	0	W 15
5 AM	18	Clear	0	W 15
6 AM	19	Sunny	0	W 15
7 AM	20	Sunny	0	W 15
8 AM	21	Sunny	0	W 10
9 AM	22	Sunny	0	W 10
10 AM	24	Sunny	0	W 10
11 AM	25	Sunny	0	W 10
12 PM	26	Mainly sunny	0	W 10
1 PM	28	A mix of sun and cloud	0	W 10
2 PM	29	A mix of sun and cloud	0	W 20
3 PM	29	Chance of showers. Risk of thunderstorms	30	W 20
4 PM	30	Chance of showers. Risk of thunderstorms	30	W 20
5 PM	30	Chance of showers. Risk of thunderstorms	30	W 20
6 PM	28	Chance of showers. Risk of thunderstorms	30	W 20
7 PM	27	Chance of showers. Risk of thunderstorms	30	W 20
8 PM	25	Chance of showers. Risk of thunderstorms	30	NW 10
9 PM	24	Partly cloudy	20	NW 10
10 PM	23	A few clouds	20	NW 10
11 PM	22	A few clouds	20	NW 10
3 July 2025
12 AM	21	Partly cloudy	20	NW 10
1 AM	21	Mainly cloudy	20	NW 10
2 AM	20	Partly cloudy	20	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
	Wed, 2 Jul Chance of showers Max: 30°C	Thu, 3 Jul Sunny Max: 24°C	Fri, 4 Jul Sunny Max: 26°C	Sat, 5 Jul Chance of showers Max: 30°C	Sun, 6 Jul Chance of showers Max: 30°C	Mon, 7 Jul A mix of sun and cloud Max: 26°C
Tonight Chance of showers Min: 18°C	Night Chance of showers Min: 18°C	Night Clear Min: 14°C	Night Clear Min: 18°C	Night Chance of showers Min: 20°C	Night Chance of showers Min: 20°C