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Observed at: Toronto Buttonville Municipal Airport
Date: Monday November 19, 2018 at 03:00 EST
Partly Cloudy
Partly Cloudy 		Temp.: -2.6 °C
Wind Chill: -5
Wind: SW 6 km/h
Humidity: 87 %
Dew point: -4.5 °C
Pressure: 102.0 kPa
Tendency:
Visibility: 24.1 km 		Sunrise: 07:17
Sunset: 16:48
Normals:
Max 5°C Min -1°C
Yesterday
  Max: 1.4 °C
  Min: -6.4 °C
  Rainfall: Trace mm
 Extended Forecast - Environment Canada
  Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 3°C
 Tuesday
Chance of flurries (40%)
Chance of flurries
Max: -1°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: -4°C
 Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 4°C
 Saturday
Chance of showers (60%)
Chance of showers
Max: 5°C
Sunday night
Chance of flurries (30%)
Chance of flurries
Min: -5°C
 Monday night
Periods of snow
Periods of snow
Min: 0°C
 Tuesday night
Chance of flurries (60%)
Chance of flurries
Min: -4°C
 Wednesday night
Clear
Clear
Min: -9°C
 Thursday night
Cloudy periods
Cloudy periods
Min: -5°C
 Friday night
Cloudy periods
Cloudy periods
Min: 2°C

Forecast

Markham, ON (Issued: Sunday November 18, 2018 at 20:34 EST)

Tonight
Mainly cloudy. 30 percent chance of flurries this evening with risk of freezing drizzle. Wind up to 15 km/h. Low minus 5. Wind chill near minus 7.
Monday
A mix of sun and cloud. High plus 3. UV index 2 or low.
Monday night
Cloudy. Periods of snow beginning overnight. Local amount 2 cm. Wind up to 15 km/h. Low zero. Wind chill minus 7 overnight.
Tuesday
Cloudy with 40 percent chance of flurries. High minus 1.
Tuesday night
Cloudy with 60 percent chance of flurries. Low minus 4.
Wednesday
Cloudy with 60 percent chance of flurries. Windy. High minus 1.
Wednesday night
Clear. Low minus 9.
Thursday
A mix of sun and cloud. High minus 4.
Thursday night
Cloudy periods. Low minus 5.
Friday
A mix of sun and cloud. High plus 4.
Friday night
Cloudy periods. Low plus 2.
Saturday
Cloudy with 60 percent chance of showers. High plus 5.
Averages and extremes
Highest temperature(1986-2014)15.0 °C1999
Lowest temperature(1986-2014)-10.2 °C1986
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)13.0 mm2003
Greatest snowfall(1986-2014)8.2 cm2008
Greatest precipitation(1986-2014)13.0 mm2003
Most snow on the ground(1986-2014)6.0 cm1997
Monthly frequency of precipitation48.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)		 Wind
Chill
19 November 2018
04:00 -5 Partly cloudy (20%)  Partly cloudy Low VR 5 -7
05:00 -5 Partly cloudy (20%)  Partly cloudy Low VR 5 -7
06:00 -5 Partly cloudy (0%)  Partly cloudy Nil VR 5 -7
07:00 -5 A mix of sun and cloud (0%)  A mix of sun and cloud Nil VR 5 -7
08:00 -4 A mix of sun and cloud (0%)  A mix of sun and cloud Nil VR 5 -6
09:00 -2 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 -6
10:00 -1 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 -5
11:00 0 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 ‡
12:00 2 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 ‡
13:00 3 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 ‡
14:00 3 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 ‡
15:00 3 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SW 10 ‡
16:00 3 Mainly cloudy (0%)  Mainly cloudy Nil SW 10 ‡
17:00 3 Mainly cloudy (0%)  Mainly cloudy Nil SW 10 ‡
18:00 2 Cloudy (0%)  Cloudy Nil SW 10 ‡
19:00 2 Cloudy (0%)  Cloudy Nil SW 10 ‡
20:00 1 Cloudy (0%)  Cloudy Nil SW 10 ‡
21:00 1 Cloudy (0%)  Cloudy Nil SW 10 ‡
22:00 0 Cloudy (0%)  Cloudy Nil SW 10 ‡
23:00 0 Cloudy (20%)  Cloudy Low SW 10 ‡
20 November 2018
00:00 0 Cloudy (20%)  Cloudy Low SW 10 ‡
01:00 0 Cloudy (20%)  Cloudy Low SW 10 ‡
02:00 0 Cloudy (20%)  Cloudy Low SW 10 ‡
03:00 0 Periods of snow (80%)  Periods of snow High SW 10 ‡
 
† 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