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Observed at: Toronto Buttonville Municipal Airport
Date: Monday March 25, 2019 at 20:00 EDT
Temp.: -1.0 °C
Wind Chill: -5
Wind: NNW 10 km/h
Humidity: 36 %
Dew point: -14.2 °C
Pressure: 102.3 kPa
Tendency:
Sunrise: 07:12
Sunset: 19:34
Normals:
Max 6°C Min -4°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Tuesday
Sunny
Sunny
Max: 5°C
 Wednesday
Sunny
Sunny
Max: 7°C
 Thursday
Chance of showers (60%)
Chance of showers
Max: 8°C
 Friday
Sunny
Sunny
Max: 6°C
 Saturday
Periods of rain (70%)
Periods of rain
Max: 4°C
 Sunday
Chance of flurries or rain showers (30%)
Chance of flurries or rain showers
Max: 3°C
Monday night
Clear
Clear
Min: -7°C
 Tuesday night
Clear
Clear
Min: -3°C
 Wednesday night
Clear
Clear
Min: 0°C
 Thursday night
Chance of showers (40%)
Chance of showers
Min: -2°C
 Friday night
Periods of rain or snow (70%)
Periods of rain or snow
Min: -1°C
 Saturday night
Chance of rain showers or flurries (40%)
Chance of rain showers or flurries
Min: -5°C

Forecast

Markham, ON (Issued: Monday March 25, 2019 at 15:30 EDT)

Tonight
Clear. Wind up to 15 km/h. Low minus 7. Wind chill minus 5 in the evening and minus 12 overnight.
Tuesday
Sunny. High plus 5. UV index 5 or moderate.
Tuesday night
Clear. Wind up to 15 km/h. Low minus 3. Wind chill minus 5 overnight.
Wednesday
Sunny. High 7.
Wednesday night
Clear. Low zero.
Thursday
Cloudy with 60 percent chance of showers. High 8.
Thursday night
Cloudy with 40 percent chance of showers. Low minus 2.
Friday
Sunny. High 6.
Friday night
Cloudy with 70 percent chance of rain or snow. Low minus 1.
Saturday
Cloudy with 70 percent chance of rain. High plus 4.
Saturday night
Cloudy with 40 percent chance of rain showers or flurries. Low minus 5.
Sunday
Cloudy with 30 percent chance of flurries or rain showers. High plus 3.
Averages and extremes
Highest temperature(1987-2015)20.1 °C2000
Lowest temperature(1987-2015)-12.3 °C2002
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2015)15.0 mm1997
Greatest snowfall(1987-2015)3.4 cm2008
Greatest precipitation(1987-2015)15.4 mm1997
Most snow on the ground(1987-2015)11.0 cm2008
Monthly frequency of precipitation39.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EDT)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)		 Wind
Chill
25 March 2019
21:00 -2 Clear (0%)  Clear Nil NW 10 -6
22:00 -3 Clear (0%)  Clear Nil NW 10 -7
23:00 -4 Clear (0%)  Clear Nil NW 10 -8
26 March 2019
00:00 -5 Clear (0%)  Clear Nil NW 10 -9
01:00 -5 Clear (0%)  Clear Nil NW 10 -10
02:00 -6 Clear (0%)  Clear Nil NW 10 -10
03:00 -6 Clear (0%)  Clear Nil NW 10 -11
04:00 -7 Clear (0%)  Clear Nil NW 10 -11
05:00 -7 Clear (0%)  Clear Nil NW 10 -12
06:00 -7 Clear (0%)  Clear Nil NW 10 -11
07:00 -6 Sunny (0%)  Sunny Nil NW 10 -11
08:00 -6 Sunny (0%)  Sunny Nil VR 5 -8
09:00 -4 Sunny (0%)  Sunny Nil VR 5 -7
10:00 -3 Sunny (0%)  Sunny Nil VR 5 -5
11:00 -1 Sunny (0%)  Sunny Nil VR 5 -3
12:00 0 Sunny (0%)  Sunny Nil VR 5 ‡
13:00 2 Sunny (0%)  Sunny Nil VR 5 ‡
14:00 3 Sunny (0%)  Sunny Nil NW 10 ‡
15:00 4 Sunny (0%)  Sunny Nil NW 10 ‡
16:00 4 Sunny (0%)  Sunny Nil NW 10 ‡
17:00 5 Sunny (0%)  Sunny Nil NW 10 ‡
18:00 4 Sunny (0%)  Sunny Nil NE 10 ‡
19:00 4 Sunny (0%)  Sunny Nil NE 10 ‡
20:00 3 Clear (0%)  Clear Nil NE 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