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Observed at: Toronto Buttonville Municipal Airport
Date: Tuesday January 28, 2020 at 01:00 EST
Temp.: -0.9 °C
Wind Chill: -5
Wind: N 14 km/h
Humidity: 85 %
Dew point: -3.1 °C
Pressure: 101.2 kPa
Tendency:
Sunrise: 07:39
Sunset: 17:21
Normals:
Max -3°C Min -12°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Tuesday
Chance of flurries (40%)
Chance of flurries
Max: 0°C
 Wednesday
A mix of sun and cloud
A mix of sun and cloud
Max: -1°C
 Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: -1°C
 Friday
Chance of flurries (30%)
Chance of flurries
Max: 0°C
 Saturday
Chance of flurries (40%)
Chance of flurries
Max: 1°C
 Sunday
Chance of flurries (60%)
Chance of flurries
Max: 2°C
Monday night
Chance of flurries (40%)
Chance of flurries
Min: -3°C
 Tuesday night
Clearing
Clearing
Min: -8°C
 Wednesday night
Cloudy periods
Cloudy periods
Min: -13°C
 Thursday night
Cloudy periods
Cloudy periods
Min: -8°C
 Friday night
Chance of flurries (40%)
Chance of flurries
Min: -4°C
 Saturday night
Chance of flurries (60%)
Chance of flurries
Min: -3°C

Forecast

Markham, ON (Issued: Monday January 27, 2020 at 15:30 EST)

Tonight
Mainly cloudy with 40 percent chance of flurries. Risk of freezing drizzle this evening and overnight. Wind up to 15 km/h. Low minus 3. Wind chill minus 7 overnight.
Tuesday
Mainly cloudy. 40 percent chance of flurries in the morning and early in the afternoon. Risk of freezing drizzle in the morning. Wind up to 15 km/h. High zero. Wind chill minus 7 in the morning. UV index 1 or low.
Tuesday night
Clearing in the evening. Wind up to 15 km/h. Low minus 8. Wind chill minus 5 in the evening and minus 13 overnight.
Wednesday
A mix of sun and cloud. High minus 1.
Wednesday night
Cloudy periods. Low minus 13.
Thursday
A mix of sun and cloud. High minus 1.
Thursday night
Cloudy periods. Low minus 8.
Friday
Cloudy with 30 percent chance of flurries. High zero.
Friday night
Cloudy with 40 percent chance of flurries. Low minus 4.
Saturday
Cloudy with 40 percent chance of flurries. High plus 1.
Saturday night
Cloudy with 60 percent chance of flurries. Low minus 3.
Sunday
Cloudy with 60 percent chance of flurries. High plus 2.
Averages and extremes
Highest temperature(1987-2015)10.4 °C2002
Lowest temperature(1987-2015)-25.1 °C2005
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2015)4.2 mm1994
Greatest snowfall(1987-2015)16.2 cm2009
Greatest precipitation(1987-2015)14.8 mm2009
Most snow on the ground(1987-2015)34.0 cm2009
Monthly frequency of precipitation54.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EST)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)		 Wind
Chill
28 January 2020
02:00 -2 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -6
03:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
04:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
05:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
06:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
07:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
08:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
09:00 -3 Chance of flurries. Risk of freezing drizzle (40%)  Chance of flurries. Risk of freezing drizzle Low NW 10 -7
10:00 -3 Chance of flurries (40%)  Chance of flurries Low NW 10 -7
11:00 -2 Chance of flurries (40%)  Chance of flurries Low NW 10 -6
12:00 -2 Chance of flurries (40%)  Chance of flurries Low NW 10 -5
13:00 -1 Mainly cloudy (20%)  Mainly cloudy Low NW 10 -5
14:00 -1 Mainly cloudy (20%)  Mainly cloudy Low NW 10 -4
15:00 0 Mainly cloudy (20%)  Mainly cloudy Low NW 10 ‡
16:00 0 Mainly cloudy (10%)  Mainly cloudy Low N 10 ‡
17:00 0 Mainly cloudy (10%)  Mainly cloudy Low N 10 ‡
18:00 -1 Mainly cloudy (10%)  Mainly cloudy Low N 10 -4
19:00 -1 Partly cloudy (0%)  Partly cloudy Nil N 10 -5
20:00 -2 Partly cloudy (0%)  Partly cloudy Nil N 10 -5
21:00 -2 A few clouds (0%)  A few clouds Nil N 10 -6
22:00 -3 A few clouds (0%)  A few clouds Nil N 10 -7
23:00 -4 A few clouds (0%)  A few clouds Nil N 10 -8
29 January 2020
00:00 -5 A few clouds (0%)  A few clouds Nil N 10 -9
01:00 -6 A few clouds (0%)  A few clouds Nil N 10 -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