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Observed at: Toronto Buttonville Municipal Airport
Date: Sunday January 24, 2021 at 10:00 EST
Temp.: -5.7 °C
Wind Chill: -11
Wind: S 12 km/h
Humidity: 73 %
Dew point: -9.9 °C
Pressure: 102.7 kPa
Tendency:
Sunrise: 07:42
Sunset: 17:16
Normals:
Max -3°C Min -12°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
Sunday
Mainly cloudy
Mainly cloudy
Max: -3°C
 Monday
Cloudy
Cloudy
Max: 1°C
 Tuesday
Chance of flurries (40%)
Chance of flurries
Max: -3°C
 Wednesday
A mix of sun and cloud
A mix of sun and cloud
Max: -5°C
 Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: -5°C
 Friday
A mix of sun and cloud
A mix of sun and cloud
Max: -4°C
 Saturday
Chance of flurries (60%)
Chance of flurries
Max: -1°C
Sunday night
Partly cloudy
Partly cloudy
Min: -10°C
 Monday night
Cloudy
Cloudy
Min: -6°C
 Tuesday night
Cloudy periods
Cloudy periods
Min: -12°C
 Wednesday night
Cloudy periods
Cloudy periods
Min: -11°C
 Thursday night
Cloudy periods
Cloudy periods
Min: -12°C
 Friday night
Chance of flurries (60%)
Chance of flurries
Min: -7°C
  

Forecast

Markham, ON (Issued: Sunday January 24, 2021 at 05:00 EST)

Today
Mainly cloudy. Wind up to 15 km/h. High minus 3. Wind chill minus 13 this morning and minus 5 this afternoon. UV index 1 or low.
Tonight
Partly cloudy. Wind up to 15 km/h. Low minus 10. Wind chill minus 7 this evening and minus 14 overnight.
Monday
Cloudy. Wind up to 15 km/h. High plus 1. Wind chill minus 12 in the morning. UV index 1 or low.
Monday night
Cloudy. Low minus 6.
Tuesday
Cloudy with 40 percent chance of flurries. High minus 3.
Tuesday night
Cloudy periods. Low minus 12.
Wednesday
A mix of sun and cloud. High minus 5.
Wednesday night
Cloudy periods. Low minus 11.
Thursday
A mix of sun and cloud. High minus 5.
Thursday night
Cloudy periods. Low minus 12.
Friday
A mix of sun and cloud. High minus 4.
Friday night
Cloudy with 60 percent chance of flurries. Low minus 7.
Saturday
Cloudy with 60 percent chance of flurries. High minus 1.
Averages and extremes
Highest temperature(1987-2015)6.8 °C1999
Lowest temperature(1987-2015)-23.2 °C2011
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2015)11.1 mm2002
Greatest snowfall(1987-2015)6.0 cm1997
Greatest precipitation(1987-2015)13.0 mm2002
Most snow on the ground(1987-2015)36.0 cm2009
Monthly frequency of precipitation54.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)		 Wind
Chill
24 January 2021
11:00 -6 Mainly cloudy (0%)  Mainly cloudy Nil VR 5 -8
12:00 -5 Mainly cloudy (0%)  Mainly cloudy Nil VR 5 -7
13:00 -5 Mainly cloudy (0%)  Mainly cloudy Nil VR 5 -7
14:00 -4 Mainly cloudy (0%)  Mainly cloudy Nil S 10 -8
15:00 -3 Mainly cloudy (10%)  Mainly cloudy Low S 10 -7
16:00 -3 Mainly cloudy (10%)  Mainly cloudy Low VR 5 -5
17:00 -4 Mainly cloudy (10%)  Mainly cloudy Low VR 5 -6
18:00 -5 Partly cloudy (10%)  Partly cloudy Low VR 5 -7
19:00 -6 Partly cloudy (10%)  Partly cloudy Low VR 5 -8
20:00 -7 Partly cloudy (10%)  Partly cloudy Low VR 5 -10
21:00 -7 Partly cloudy (10%)  Partly cloudy Low SW 10 -12
22:00 -7 Partly cloudy (10%)  Partly cloudy Low VR 5 -10
23:00 -8 Partly cloudy (10%)  Partly cloudy Low VR 5 -11
25 January 2021
00:00 -7 Partly cloudy (0%)  Partly cloudy Nil VR 5 -10
01:00 -9 Partly cloudy (0%)  Partly cloudy Nil VR 5 -12
02:00 -8 Partly cloudy (0%)  Partly cloudy Nil VR 5 -11
03:00 -8 Partly cloudy (0%)  Partly cloudy Nil VR 5 -11
04:00 -9 A few clouds (0%)  A few clouds Nil SW 10 -14
05:00 -10 A few clouds (0%)  A few clouds Nil VR 5 -13
06:00 -9 Cloudy (0%)  Cloudy Nil VR 5 -12
07:00 -6 Cloudy (0%)  Cloudy Nil VR 5 -8
08:00 -6 Cloudy (0%)  Cloudy Nil VR 5 -8
09:00 -5 Cloudy (0%)  Cloudy Nil VR 5 -8
10:00 -5 Cloudy (0%)  Cloudy Nil VR 5 -7
 
† 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