Updated8/29/2025 17:52:00
 
Forecast - Environment Canada

 Extended Forecast - Environment Canada
  Sat, 30 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 22°C
Sun, 31 Aug
Sunny
Sunny
Max: 24°C
Mon, 1 Sep
Sunny
Sunny
Max: 24°C
Tue, 2 Sep
Sunny
Sunny
Max: 25°C
Wed, 3 Sep
Cloudy
Cloudy
Max: 23°C
Thu, 4 Sep
Chance of showers (30%)
Chance of showers
Max: 17°C
Tonight
Chance of showers (30%)
Chance of showers
Min: 10°C
Night
A few clouds
A few clouds
Min: 11°C
Night
Clear
Clear
Min: 13°C
Night
Clear
Clear
Min: 14°C
Night
Clear
Clear
Min: 16°C
Night
Cloudy
Cloudy
Min: 14°C

Forecast

Toronto Island, ON (Issued: 3:30 PM EDT Friday 29 August 2025)

Tonight
Partly cloudy. 30 percent chance of showers this evening. Fog patches developing overnight. Wind northwest 20 km/h becoming light this evening. Low 10.
Sat, 30 Aug
A mix of sun and cloud. Fog patches dissipating in the morning. High 22. UV index 7 or high.
Night
A few clouds. Fog patches developing overnight. Low 11.
Sun, 31 Aug
Sunny. High 24.
Night
Clear. Low 13.
Mon, 1 Sep
Sunny. High 24.
Night
Clear. Low 14.
Tue, 2 Sep
Sunny. High 25.
Night
Clear. Low 16.
Wed, 3 Sep
Cloudy. High 23.
Night
Cloudy. Low 14.
Thu, 4 Sep
Cloudy with 30 percent chance of showers. High 17.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
29 August 2025
6 PM 18 Chance of showers (30%)  Chance of showers 30 NW 20
7 PM 17 Chance of showers (30%)  Chance of showers 30 NW 20
8 PM 16 Chance of showers (30%)  Chance of showers 30 NW 10
9 PM 15 Chance of showers (30%)  Chance of showers 30 NW 10
10 PM 15 Chance of showers (30%)  Chance of showers 30 NW 10
11 PM 14 Chance of showers (30%)  Chance of showers 30 NW 10
30 August 2025
12 AM 13 Clear (0%)  Clear 0 NW 10
1 AM 12 Clear (0%)  Clear 0 NW 10
2 AM 11 A few clouds (0%)  A few clouds 0 NW 10
3 AM 11 A few clouds (0%)  A few clouds 0 NW 10
4 AM 10 Partly cloudy (0%)  Partly cloudy 0 NW 10
5 AM 10 Partly cloudy (0%)  Partly cloudy 0 NW 10
6 AM 11 Partly cloudy (0%)  Partly cloudy 0 NW 10
7 AM 12 A mix of sun and cloud (0%)  A mix of sun and cloud 0 NW 10
8 AM 13 Mainly sunny (0%)  Mainly sunny 0 NW 10
9 AM 15 Mainly sunny (0%)  Mainly sunny 0 NW 10
10 AM 17 Sunny (0%)  Sunny 0 NW 10
11 AM 19 Sunny (0%)  Sunny 0 NW 10
12 PM 20 Mainly sunny (0%)  Mainly sunny 0 NW 15
1 PM 20 A mix of sun and cloud (0%)  A mix of sun and cloud 0 NW 15
2 PM 21 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 15
3 PM 21 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 15
4 PM 22 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 15
5 PM 22 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 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%

Environment Canada