Extended Forecast - Environment Canada
  Sat, 16 Aug
Sunny
Sunny
Max: 32°C
Sun, 17 Aug
Chance of showers (40%)
Chance of showers
Max: 29°C
Mon, 18 Aug
Cloudy
Cloudy
Max: 22°C
Tue, 19 Aug
Chance of showers (30%)
Chance of showers
Max: 24°C
Wed, 20 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 25°C
Thu, 21 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 27°C
Tonight
Clear
Clear
Min: 19°C
Night
Chance of showers (60%)
Chance of showers
Min: 20°C
Night
Clear
Clear
Min: 14°C
Night
Cloudy
Cloudy
Min: 16°C
Night
Cloudy
Cloudy
Min: 16°C
Night
Cloudy periods
Cloudy periods
Min: 15°C

Forecast

Toronto Island, ON (Issued: 3:30 PM EDT Friday 15 August 2025)

Tonight
Clear. Low 19.
Sat, 16 Aug
Sunny. High 32. Humidex 37. UV index 8 or very high.
Night
Clear. Increasing cloudiness after midnight then 60 percent chance of showers overnight. Low 20.
Sun, 17 Aug
A mix of sun and cloud with 40 percent chance of showers. High 29.
Night
Clear. Low 14.
Mon, 18 Aug
Cloudy. High 22.
Night
Cloudy. Low 16.
Tue, 19 Aug
A mix of sun and cloud with 30 percent chance of showers. High 24.
Night
Cloudy. Low 16.
Wed, 20 Aug
A mix of sun and cloud. High 25.
Night
Cloudy periods. Low 15.
Thu, 21 Aug
A mix of sun and cloud. High 27.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
15 August 2025
11 PM 24 Clear (0%)  Clear 0 VR 5
16 August 2025
12 AM 23 Clear (0%)  Clear 0 VR 5
1 AM 23 Clear (0%)  Clear 0 VR 5
2 AM 22 Clear (0%)  Clear 0 VR 5
3 AM 21 Clear (0%)  Clear 0 VR 5
4 AM 20 Clear (0%)  Clear 0 VR 5
5 AM 19 Clear (0%)  Clear 0 VR 5
6 AM 20 Sunny (0%)  Sunny 0 VR 5
7 AM 21 Sunny (0%)  Sunny 0 VR 5
8 AM 22 Sunny (0%)  Sunny 0 VR 5
9 AM 24 Sunny (0%)  Sunny 0 VR 5
10 AM 25 Sunny (0%)  Sunny 0 VR 5
11 AM 27 Sunny (0%)  Sunny 0 VR 5
12 PM 29 Sunny (0%)  Sunny 0 VR 5
1 PM 30 Sunny (0%)  Sunny 0 VR 5
2 PM 32 Mainly sunny (0%)  Mainly sunny 0 VR 5
3 PM 31 Mainly sunny (0%)  Mainly sunny 0 VR 5
4 PM 31 Mainly sunny (0%)  Mainly sunny 0 VR 5
5 PM 30 Mainly sunny (0%)  Mainly sunny 0 VR 5
6 PM 29 Mainly sunny (0%)  Mainly sunny 0 VR 5
7 PM 29 Mainly sunny (0%)  Mainly sunny 0 VR 5
8 PM 28 Clear (0%)  Clear 0 VR 5
9 PM 27 Clear (0%)  Clear 0 VR 5
10 PM 27 Clear (0%)  Clear 0 VR 5
 
† 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