Observed at: Toronto Buttonville Municipal Airport
Date: Saturday November 17, 2018 at 19:00 EST
Mainly Clear
Mainly Clear
Temp.: -1.5 °C
Wind Chill: -5
Wind: WNW 9 km/h
Humidity: 69 %
Dew point: -6.4 °C
Pressure: 102.7 kPa
Tendency: rising
Visibility: 24.1 km
Sunrise: 07:14
Sunset: 16:50
Normals:
Max 5°C Min -2°C
Yesterday
  Max: 2.4 °C
  Min: 0.0 °C
  Rainfall: 7.6 mm

 Extended Forecast - Environment Canada
  Sunday
Chance of flurries (30%)
Chance of flurries
Max: 2°C
Monday
Chance of flurries (40%)
Chance of flurries
Max: 1°C
Tuesday
Chance of flurries (60%)
Chance of flurries
Max: 0°C
Wednesday
Chance of flurries (60%)
Chance of flurries
Max: -1°C
Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: -3°C
Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 4°C
Saturday night
Chance of flurries (60%)
Chance of flurries
Min: -8°C
Sunday night
Chance of flurries (30%)
Chance of flurries
Min: -5°C
Monday night
Chance of flurries (40%)
Chance of flurries
Min: -5°C
Tuesday night
Chance of flurries (40%)
Chance of flurries
Min: -4°C
Wednesday night
Clear
Clear
Min: -11°C
Thursday night
Cloudy periods
Cloudy periods
Min: -5°C

Forecast

Markham, ON (Issued: Saturday November 17, 2018 at 15:30 EST)

Tonight
Partly cloudy. 60 percent chance of flurries early this evening. Wind up to 15 km/h. Low minus 8. Wind chill near minus 11.
Sunday
Mainly cloudy. 30 percent chance of flurries late in the afternoon. High plus 2. UV index 1 or low.
Sunday night
Mainly cloudy. 30 percent chance of flurries in the evening. Wind up to 15 km/h. Low minus 5. Wind chill near minus 9.
Monday
Cloudy with 40 percent chance of flurries. High plus 1.
Monday night
Cloudy with 40 percent chance of flurries. Low minus 5.
Tuesday
A mix of sun and cloud with 60 percent chance of flurries. High zero.
Tuesday night
Cloudy with 40 percent chance of flurries. Low minus 4.
Wednesday
Cloudy with 60 percent chance of flurries. High minus 1.
Wednesday night
Clear. Low minus 11.
Thursday
A mix of sun and cloud. High minus 3.
Thursday night
Cloudy periods. Low minus 5.
Friday
A mix of sun and cloud. High plus 4.
Averages and extremes
Highest temperature(1986-2014)15.0 °C2013
Lowest temperature(1986-2014)-8.0 °C1995
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)14.0 mm2013
Greatest snowfall(1986-2014)14.6 cm2002
Greatest precipitation(1986-2014)14.6 mm2002
Most snow on the ground(1986-2014)11.0 cm1992
Monthly frequency of precipitation48.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
Wind
Chill
17 November 2018
20:00 -4 Partly cloudy (20%)  Partly cloudy Low NW 15 -9
21:00 -4 Partly cloudy (20%)  Partly cloudy Low N 10 -8
22:00 -5 Partly cloudy (20%)  Partly cloudy Low N 10 -9
23:00 -6 Partly cloudy (20%)  Partly cloudy Low N 10 -10
18 November 2018
00:00 -6 Partly cloudy (20%)  Partly cloudy Low N 10 -11
01:00 -7 Partly cloudy (20%)  Partly cloudy Low VR 5 -10
02:00 -7 Partly cloudy (20%)  Partly cloudy Low VR 5 -10
03:00 -8 Partly cloudy (20%)  Partly cloudy Low VR 5 -10
04:00 -8 Partly cloudy (20%)  Partly cloudy Low VR 5 -11
05:00 -8 Partly cloudy (20%)  Partly cloudy Low VR 5 -11
06:00 -8 Mainly cloudy (20%)  Mainly cloudy Low VR 5 -11
07:00 -8 Mainly cloudy (20%)  Mainly cloudy Low VR 5 -11
08:00 -6 Mainly cloudy (20%)  Mainly cloudy Low VR 5 -9
09:00 -4 Mainly cloudy (20%)  Mainly cloudy Low VR 5 -6
10:00 -2 Mainly cloudy (20%)  Mainly cloudy Low SW 10 -6
11:00 -1 Mainly cloudy (20%)  Mainly cloudy Low SW 10 -4
12:00 1 Mainly cloudy (20%)  Mainly cloudy Low SW 10
13:00 2 Mainly cloudy (20%)  Mainly cloudy Low SW 10
14:00 2 Mainly cloudy (20%)  Mainly cloudy Low SW 10
15:00 1 Chance of flurries (30%)  Chance of flurries Low SW 10
16:00 1 Chance of flurries (30%)  Chance of flurries Low SW 10
17:00 0 Chance of flurries (30%)  Chance of flurries Low SW 10
18:00 0 Chance of flurries (30%)  Chance of flurries Low SW 10
19:00 -1 Chance of flurries (30%)  Chance of flurries Low SW 10 -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%
‡ Value not significant

Environment Canada