Updated7/20/2025 05:55:00
 
Forecast - Environment Canada

 Extended Forecast - Environment Canada
Today
Chance of showers (40%)
Chance of showers
Max: 26°C
Mon, 21 Jul
Mainly sunny
Mainly sunny
Max: 25°C
Tue, 22 Jul
Sunny
Sunny
Max: 26°C
Wed, 23 Jul
Sunny
Sunny
Max: 30°C
Thu, 24 Jul
Chance of showers (40%)
Chance of showers
Max: 31°C
Fri, 25 Jul
Chance of showers (40%)
Chance of showers
Max: 29°C
Sat, 26 Jul
A mix of sun and cloud
A mix of sun and cloud
Max: 28°C
Tonight
Clear
Clear
Min: 17°C
Night
Clear
Clear
Min: 15°C
Night
Clear
Clear
Min: 18°C
Night
Cloudy periods
Cloudy periods
Min: 21°C
Night
Chance of showers (40%)
Chance of showers
Min: 20°C
Night
Clear
Clear
Min: 18°C
 

Forecast

Toronto Island, ON (Issued: 5:00 AM EDT Sunday 20 July 2025)

Today
A few showers ending this morning then mainly cloudy with 40 percent chance of showers. Clearing this afternoon. Risk of a thunderstorm early this morning. Wind becoming northwest 20 km/h near noon. High 26. Humidex 31. UV index 8 or very high.
Tonight
Clear. Local smoke overnight. Wind north 20 km/h gusting to 40 becoming light after midnight. Wind becoming north 20 before morning. Low 17.
Mon, 21 Jul
Sunny. Becoming a mix of sun and cloud in the morning. Wind north 20 km/h becoming light near noon. High 25. UV index 9 or very high.
Night
Clear. Low 15.
Tue, 22 Jul
Sunny. High 26.
Night
Clear. Low 18.
Wed, 23 Jul
Sunny. High 30.
Night
Cloudy periods. Low 21.
Thu, 24 Jul
A mix of sun and cloud with 40 percent chance of showers. High 31.
Night
Cloudy periods with 40 percent chance of showers. Low 20.
Fri, 25 Jul
A mix of sun and cloud with 40 percent chance of showers. High 29.
Night
Clear. Low 18.
Sat, 26 Jul
A mix of sun and cloud. High 28.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
20 July 2025
6 AM 20 A few showers. Risk of thunderstorms (80%)  A few showers. Risk of thunderstorms 80 VR 5
7 AM 20 A few showers. Risk of thunderstorms (80%)  A few showers. Risk of thunderstorms 80 VR 5
8 AM 21 Chance of showers (40%)  Chance of showers 40 VR 5
9 AM 22 Chance of showers (40%)  Chance of showers 40 VR 5
10 AM 23 Chance of showers (40%)  Chance of showers 40 VR 5
11 AM 24 Chance of showers (40%)  Chance of showers 40 VR 5
12 PM 25 Mainly cloudy (20%)  Mainly cloudy 20 NW 20
1 PM 25 Mainly cloudy (20%)  Mainly cloudy 20 NW 20
2 PM 26 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 20
3 PM 26 Mainly sunny (10%)  Mainly sunny 10 NW 20
4 PM 26 Sunny (10%)  Sunny 10 NW 20
5 PM 26 Sunny (10%)  Sunny 10 NW 20
6 PM 25 Sunny (0%)  Sunny 0 NW 20
7 PM 25 Sunny (0%)  Sunny 0 N 20 gust 40
8 PM 24 Sunny (0%)  Sunny 0 N 20 gust 40
9 PM 23 Clear (0%)  Clear 0 N 20 gust 40
10 PM 22 Clear (0%)  Clear 0 N 20 gust 40
11 PM 21 Clear (0%)  Clear 0 NW 20
21 July 2025
12 AM 20 Clear (0%)  Clear 0 NW 20
1 AM 19 Clear (0%)  Clear 0 NW 20
2 AM 18 Clear (0%)  Clear 0 VR 5
3 AM 18 Clear (0%)  Clear 0 VR 5
4 AM 17 Clear (0%)  Clear 0 VR 5
5 AM 17 Clear (0%)  Clear 0 N 20
 
† 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