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Observed at: Toronto Buttonville Municipal Airport
Date: Saturday September 22, 2018 at 09:00 EDT
Mostly Cloudy
Mostly Cloudy 		Temp.: 10.1 °C
Wind: N 20 km/h
Humidity: 71 %
Dew point: 5.1 °C
Pressure: 102.6 kPa
Tendency: rising
Visibility: 24.1 km 		Sunrise: 07:04
Sunset: 19:16
Normals:
Max 18°C Min 8°C
Yesterday
  Max: 32.5 °C
  Min: 12.7 °C
  Rainfall: 4.0 mm
 Extended Forecast - Environment Canada
Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 17°C
 Sunday
Sunny
Sunny
Max: 19°C
 Monday
Sunny
Sunny
Max: 20°C
 Tuesday
Chance of showers (60%)
Chance of showers
Max: 21°C
 Wednesday
Chance of showers (40%)
Chance of showers
Max: 20°C
 Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: 16°C
 Friday
Chance of showers (30%)
Chance of showers
Max: 16°C
Saturday night
A few clouds
A few clouds
Min: 8°C
 Sunday night
Clear
Clear
Min: 6°C
 Monday night
Chance of showers (30%)
Chance of showers
Min: 14°C
 Tuesday night
Chance of showers (60%)
Chance of showers
Min: 16°C
 Wednesday night
Clear
Clear
Min: 8°C
 Thursday night
Cloudy periods
Cloudy periods
Min: 10°C
  

Forecast

Markham, ON (Issued: Saturday September 22, 2018 at 05:00 EDT)

Today
Clearing. Wind north 20 km/h gusting to 40 becoming light this morning. High 17. UV index 6 or high.
Tonight
A few clouds. Low 8.
Sunday
Sunny. High 19. UV index 6 or high.
Sunday night
Clear. Low 6.
Monday
Sunny. High 20.
Monday night
Cloudy periods with 30 percent chance of showers. Low 14.
Tuesday
Cloudy with 60 percent chance of showers. Windy. High 21.
Tuesday night
Cloudy with 60 percent chance of showers. Low 16.
Wednesday
Cloudy with 40 percent chance of showers. High 20.
Wednesday night
Clear. Low 8.
Thursday
A mix of sun and cloud. High 16.
Thursday night
Cloudy periods. Low 10.
Friday
Cloudy with 30 percent chance of showers. High 16.
Averages and extremes
Highest temperature(1986-2014)29.1 °C2004
Lowest temperature(1986-2014)1.2 °C1991
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)27.6 mm1989
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)27.6 mm1989
Most snow on the ground(1986-2014)0.0 cm1986
Monthly frequency of precipitation36.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EDT)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
22 September 2018
10:00 10 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 15
11:00 11 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 15
12:00 12 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 15
13:00 14 Mainly sunny (0%)  Mainly sunny Nil N 15
14:00 15 Mainly sunny (0%)  Mainly sunny Nil N 15
15:00 16 Mainly sunny (0%)  Mainly sunny Nil VR 5
16:00 16 Mainly sunny (0%)  Mainly sunny Nil VR 5
17:00 17 Mainly sunny (0%)  Mainly sunny Nil VR 5
18:00 15 Mainly sunny (0%)  Mainly sunny Nil VR 5
19:00 14 A few clouds (0%)  A few clouds Nil VR 5
20:00 12 A few clouds (0%)  A few clouds Nil VR 5
21:00 12 A few clouds (0%)  A few clouds Nil VR 5
22:00 11 A few clouds (0%)  A few clouds Nil VR 5
23:00 11 A few clouds (0%)  A few clouds Nil VR 5
23 September 2018
00:00 10 A few clouds (0%)  A few clouds Nil VR 5
01:00 10 A few clouds (0%)  A few clouds Nil VR 5
02:00 9 A few clouds (0%)  A few clouds Nil VR 5
03:00 9 A few clouds (0%)  A few clouds Nil VR 5
04:00 8 A few clouds (0%)  A few clouds Nil VR 5
05:00 8 A few clouds (0%)  A few clouds Nil VR 5
06:00 9 Clear (0%)  Clear Nil VR 5
07:00 10 Sunny (0%)  Sunny Nil VR 5
08:00 11 Sunny (0%)  Sunny Nil VR 5
09:00 12 Sunny (0%)  Sunny Nil 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