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Observed at: Toronto Buttonville Municipal Airport
Date: Tuesday March 26, 2019 at 19:00 EDT
Temp.: 1.5 °C
Wind: NNW 18 km/h
Humidity: 23 %
Dew point: -17.6 °C
Pressure: 103.0 kPa
Tendency:
Sunrise: 07:10
Sunset: 19:35
Normals:
Max 6°C Min -4°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Wednesday
Sunny
Sunny
Max: 8°C
 Thursday
Showers
Showers
Max: 6°C
 Friday
Sunny
Sunny
Max: 7°C
 Saturday
Periods of rain
Periods of rain
Max: 10°C
 Sunday
Chance of flurries or rain showers (30%)
Chance of flurries or rain showers
Max: 3°C
 Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 5°C
Tuesday night
Clear
Clear
Min: -4°C
 Wednesday night
Clear
Clear
Min: 0°C
 Thursday night
Chance of showers (40%)
Chance of showers
Min: 0°C
 Friday night
Periods of rain or snow (70%)
Periods of rain or snow
Min: 0°C
 Saturday night
Chance of rain showers or flurries (60%)
Chance of rain showers or flurries
Min: -3°C
 Sunday night
Clear
Clear
Min: -6°C

Forecast

Markham, ON (Issued: Tuesday March 26, 2019 at 15:30 EDT)

Tonight
Clear. Wind northwest 20 km/h becoming light early this evening. Low minus 4. Wind chill minus 6 overnight.
Wednesday
Sunny. Wind becoming south 20 km/h in the afternoon. High 8. UV index 5 or moderate.
Wednesday night
Clear. Wind south 20 km/h. Low zero.
Thursday
Showers. High 6.
Thursday night
Cloudy with 40 percent chance of showers. Low zero.
Friday
Sunny. High 7.
Friday night
Cloudy with 70 percent chance of rain or snow. Low zero.
Saturday
Periods of rain. High 10.
Saturday night
Cloudy with 60 percent chance of rain showers or flurries. Low minus 3.
Sunday
A mix of sun and cloud with 30 percent chance of flurries or rain showers. High plus 3.
Sunday night
Clear. Low minus 6.
Monday
A mix of sun and cloud. High plus 5.
Averages and extremes
Highest temperature(1987-2015)19.1 °C1998
Lowest temperature(1987-2015)-12.8 °C2014
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2015)6.0 mm2007
Greatest snowfall(1987-2015)10.2 cm2002
Greatest precipitation(1987-2015)9.8 mm2002
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
26 March 2019
20:00 3 Clear (0%)  Clear Nil NE 10 ‡
21:00 2 Clear (0%)  Clear Nil NE 10 ‡
22:00 2 Clear (0%)  Clear Nil NE 10 ‡
23:00 1 Clear (0%)  Clear Nil VR 5 ‡
27 March 2019
00:00 0 Clear (0%)  Clear Nil VR 5 ‡
01:00 -1 Clear (0%)  Clear Nil VR 5 -3
02:00 -2 Clear (0%)  Clear Nil VR 5 -4
03:00 -3 Clear (0%)  Clear Nil VR 5 -5
04:00 -3 Clear (0%)  Clear Nil VR 5 -5
05:00 -4 Clear (0%)  Clear Nil VR 5 -6
06:00 -4 Clear (0%)  Clear Nil VR 5 -6
07:00 -3 Sunny (0%)  Sunny Nil VR 5 -5
08:00 -3 Sunny (0%)  Sunny Nil VR 5 -5
09:00 -1 Sunny (0%)  Sunny Nil VR 5 -2
10:00 2 Sunny (0%)  Sunny Nil VR 5 ‡
11:00 4 Sunny (0%)  Sunny Nil S 10 ‡
12:00 5 Sunny (0%)  Sunny Nil S 10 ‡
13:00 6 Sunny (0%)  Sunny Nil S 10 ‡
14:00 7 Sunny (0%)  Sunny Nil S 20 ‡
15:00 7 Sunny (0%)  Sunny Nil S 20 ‡
16:00 8 Sunny (0%)  Sunny Nil S 20 ‡
17:00 8 Sunny (0%)  Sunny Nil S 20 ‡
18:00 7 Sunny (0%)  Sunny Nil S 20 ‡
19:00 7 Sunny (0%)  Sunny Nil S 20 ‡
 
† 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