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Observed at: Toronto Buttonville Municipal Airport
Date: Friday December 09, 2022 at 00:00 EST
Temp.: -2.0 °C
Wind Chill: -8
Wind: NNW 22 km/h
Humidity: 82 %
Dew point: -4.6 °C
Pressure: 103.0 kPa
Tendency:
Sunrise: 07:39
Sunset: 16:40
Normals:
Max 1°C Min -7°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Friday
Mainly cloudy
Mainly cloudy
Max: 1°C
 Saturday
Sunny
Sunny
Max: -2°C
 Sunday
Periods of snow
Periods of snow
Max: 2°C
 Monday
A mix of sun and cloud
A mix of sun and cloud
Max: -1°C
 Tuesday
A mix of sun and cloud
A mix of sun and cloud
Max: 1°C
 Wednesday
Snow
Snow
Max: 2°C
Thursday night
Mainly cloudy
Mainly cloudy
Min: -4°C
 Friday night
Clear
Clear
Min: -7°C
 Saturday night
Chance of snow (60%)
Chance of snow
Min: -4°C
 Sunday night
Chance of flurries (30%)
Chance of flurries
Min: -6°C
 Monday night
Cloudy periods
Cloudy periods
Min: -8°C
 Tuesday night
Cloudy periods
Cloudy periods
Min: -3°C

Forecast

Markham, ON (Issued: Thursday December 08, 2022 at 15:30 EST)

Tonight
Mainly cloudy. Wind up to 15 km/h. Low minus 4. Wind chill minus 8 overnight.
Friday
Cloudy. Becoming a mix of sun and cloud in the afternoon. Wind up to 15 km/h. High plus 1. Wind chill minus 8 in the morning. UV index 1 or low.
Friday night
Clear. Wind up to 15 km/h. Low minus 7. Wind chill minus 10 overnight.
Saturday
Sunny. High minus 2.
Saturday night
Cloudy with 60 percent chance of snow. Low minus 4.
Sunday
Periods of snow. High plus 2.
Sunday night
Cloudy with 30 percent chance of flurries. Low minus 6.
Monday
A mix of sun and cloud. High minus 1.
Monday night
Cloudy periods. Low minus 8.
Tuesday
A mix of sun and cloud. High plus 1.
Tuesday night
Cloudy periods. Low minus 3.
Wednesday
Snow. High plus 2.
Averages and extremes
Highest temperature(1986-2014)12.6 °C1991
Lowest temperature(1986-2014)-16.0 °C2002
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)3.2 mm2012
Greatest snowfall(1986-2014)3.8 cm2008
Greatest precipitation(1986-2014)3.2 mm2012
Most snow on the ground(1986-2014)13.0 cm2007
Monthly frequency of precipitation49.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)		 Wind
Chill
9 December 2022
01:00 -3 Mainly cloudy (10%)  Mainly cloudy Low N 10 -7
02:00 -3 Mainly cloudy (10%)  Mainly cloudy Low N 10 -7
03:00 -4 Mainly cloudy (10%)  Mainly cloudy Low N 10 -8
04:00 -4 Mainly cloudy (20%)  Mainly cloudy Low N 10 -8
05:00 -4 Mainly cloudy (20%)  Mainly cloudy Low N 10 -8
06:00 -4 Mainly cloudy (20%)  Mainly cloudy Low N 10 -8
07:00 -4 Mainly cloudy (20%)  Mainly cloudy Low NE 10 -8
08:00 -4 Cloudy (20%)  Cloudy Low NE 10 -8
09:00 -3 Cloudy (20%)  Cloudy Low NE 10 -7
10:00 -3 Cloudy (20%)  Cloudy Low NE 10 -7
11:00 -2 Cloudy (20%)  Cloudy Low NE 10 -6
12:00 -2 Cloudy (20%)  Cloudy Low NE 10 -5
13:00 -1 Cloudy (20%)  Cloudy Low NE 10 -5
14:00 0 Mainly cloudy (20%)  Mainly cloudy Low NE 10 ‡
15:00 0 A mix of sun and cloud (20%)  A mix of sun and cloud Low NE 10 ‡
16:00 1 Mainly sunny (20%)  Mainly sunny Low NE 10 ‡
17:00 0 A few clouds (20%)  A few clouds Low NE 10 ‡
18:00 0 Clear (10%)  Clear Low NE 10 ‡
19:00 -1 Clear (10%)  Clear Low NE 10 -5
20:00 -2 Clear (10%)  Clear Low NE 10 -6
21:00 -3 Clear (10%)  Clear Low NE 10 -7
22:00 -4 Clear (10%)  Clear Low NE 10 -8
23:00 -4 Clear (10%)  Clear Low NE 10 -8
10 December 2022
00:00 -5 Clear (10%)  Clear Low NE 10 -9
 
† 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