Updated12/4/2025 16:52:00
 
Forecast - Environment Canada

 Extended Forecast - Environment Canada
  Fri, 5 Dec
Chance of flurries (40%)
Chance of flurries
Max: 0°C
Sat, 6 Dec
Chance of flurries (60%)
Chance of flurries
Max: 1°C
Sun, 7 Dec
Chance of flurries (60%)
Chance of flurries
Max: -1°C
Mon, 8 Dec
Sunny
Sunny
Max: -4°C
Tue, 9 Dec
Chance of flurries (60%)
Chance of flurries
Max: 0°C
Wed, 10 Dec
Chance of flurries (60%)
Chance of flurries
Max: 0°C
Tonight
Chance of flurries (40%)
Chance of flurries
Min: -9°C
Night
Mainly cloudy
Mainly cloudy
Min: -2°C
Night
Chance of flurries (30%)
Chance of flurries
Min: -5°C
Night
Cloudy periods
Cloudy periods
Min: -9°C
Night
Cloudy
Cloudy
Min: -6°C
Night
Chance of flurries (60%)
Chance of flurries
Min: -3°C

Forecast

Toronto Island, ON (Issued: 4:40 PM EST Thursday 4 December 2025)

Tonight
Partly cloudy. 40 percent chance of flurries before morning. Wind northwest 20 km/h gusting to 40 becoming light early this evening. Low minus 9. Wind chill near minus 14.
Fri, 5 Dec
A mix of sun and cloud with 40 percent chance of flurries. Wind southwest 20 km/h gusting to 40. High zero. Wind chill minus 17 in the morning. UV index 1 or low.
Night
Mainly cloudy. Wind southwest 20 km/h gusting to 40. Low minus 2. Wind chill minus 8 overnight.
Sat, 6 Dec
Cloudy with 60 percent chance of flurries. High plus 1.
Night
Cloudy with 30 percent chance of flurries. Low minus 5.
Sun, 7 Dec
Cloudy with 60 percent chance of flurries. High minus 1.
Night
Clearing. Low minus 9.
Mon, 8 Dec
Sunny. High minus 4.
Night
Increasing cloudiness. Low minus 6.
Tue, 9 Dec
Cloudy with 60 percent chance of flurries. High zero.
Night
Cloudy with 60 percent chance of flurries. Low minus 3.
Wed, 10 Dec
Cloudy with 60 percent chance of flurries. High zero.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
4 December 2025
5 PM -6 A few clouds (20%)  A few clouds 20 NW 20 gust 40
6 PM -7 A few clouds (20%)  A few clouds 20 NW 20 gust 40
7 PM -7 A few clouds (20%)  A few clouds 20 VR 5
8 PM -7 A few clouds (20%)  A few clouds 20 VR 5
9 PM -7 A few clouds (20%)  A few clouds 20 VR 5
10 PM -7 A few clouds (20%)  A few clouds 20 VR 5
11 PM -8 A few clouds (20%)  A few clouds 20 VR 5
5 December 2025
12 AM -8 A few clouds (20%)  A few clouds 20 VR 5
1 AM -9 A few clouds (20%)  A few clouds 20 VR 5
2 AM -9 Partly cloudy (20%)  Partly cloudy 20 VR 5
3 AM -9 Partly cloudy (20%)  Partly cloudy 20 VR 5
4 AM -9 Partly cloudy (20%)  Partly cloudy 20 VR 5
5 AM -9 Chance of flurries (40%)  Chance of flurries 40 VR 5
6 AM -9 Chance of flurries (40%)  Chance of flurries 40 VR 5
7 AM -9 Chance of flurries (40%)  Chance of flurries 40 SW 20
8 AM -8 Chance of flurries (40%)  Chance of flurries 40 SW 20
9 AM -7 Chance of flurries (40%)  Chance of flurries 40 SW 20
10 AM -6 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
11 AM -5 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
12 PM -3 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
1 PM -2 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
2 PM -1 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
3 PM -1 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
4 PM 0 Chance of flurries (40%)  Chance of flurries 40 SW 20 gust 40
 
† 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