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HEAT WARNING

SEVERE THUNDERSTORM WATCH ENDED

Observed at: Toronto Buttonville Municipal Airport
Date: Saturday July 20, 2019 at 23:00 EDT
Temp.: 24.2 °C
Humidex: 34
Wind: SSE 9 km/h
Humidity: 92 %
Dew point: 22.8 °C
Pressure: 100.7 kPa
Tendency:
Sunrise: 05:53
Sunset: 20:54
Normals:
Max 26°C Min 15°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Sunday
Chance of showers (40%)
Chance of showers
Max: 26°C
 Monday
Sunny
Sunny
Max: 23°C
 Tuesday
Sunny
Sunny
Max: 24°C
 Wednesday
Sunny
Sunny
Max: 24°C
 Thursday
Sunny
Sunny
Max: 26°C
 Friday
Sunny
Sunny
Max: 27°C
Saturday night
Chance of showers (40%)
Chance of showers
Min: 21°C
 Sunday night
Partly cloudy
Partly cloudy
Min: 17°C
 Monday night
Clear
Clear
Min: 12°C
 Tuesday night
Clear
Clear
Min: 13°C
 Wednesday night
Clear
Clear
Min: 14°C
 Thursday night
Clear
Clear
Min: 15°C

Forecast

Markham, ON (Issued: Saturday July 20, 2019 at 22:39 EDT)

Tonight
Showers ending near midnight then cloudy with 40 percent chance of showers. Low 21.
Sunday
Cloudy. 40 percent chance of showers early in the morning. Becoming a mix of sun and cloud late in the morning. High 26. Humidex 31. UV index 9 or very high.
Sunday night
Partly cloudy. Low 17.
Monday
Sunny. High 23.
Monday night
Clear. Low 12.
Tuesday
Sunny. High 24.
Tuesday night
Clear. Low 13.
Wednesday
Sunny. High 24.
Wednesday night
Clear. Low 14.
Thursday
Sunny. High 26.
Thursday night
Clear. Low 15.
Friday
Sunny. High 27.
Averages and extremes
Highest temperature(1986-2014)36.0 °C2011
Lowest temperature(1986-2014)8.8 °C2000
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)39.8 mm2008
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)39.8 mm2008
Most snow on the ground(1986-2014)0.0 cm1986
Monthly frequency of precipitation36.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EDT)		 Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
Humidex
21 July 2019
00:00 26 Chance of showers (40%)  Chance of showers Low NW 10 36
01:00 26 Chance of showers (40%)  Chance of showers Low NW 10 35
02:00 25 Chance of showers (40%)  Chance of showers Low NW 10 34
03:00 24 Chance of showers (40%)  Chance of showers Low NW 10 32
04:00 22 Chance of showers (40%)  Chance of showers Low NW 10 29
05:00 21 Chance of showers (40%)  Chance of showers Low NW 15 26
06:00 21 Chance of showers (40%)  Chance of showers Low NW 15 26
07:00 21 Chance of showers (40%)  Chance of showers Low NW 15 26
08:00 21 Cloudy (20%)  Cloudy Low NW 15 26
09:00 21 Cloudy (20%)  Cloudy Low NW 15 26
10:00 21 Cloudy (20%)  Cloudy Low NW 15 26
11:00 21 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 26
12:00 22 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 27
13:00 23 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 28
14:00 24 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 29
15:00 25 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 30
16:00 25 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 30
17:00 26 A mix of sun and cloud (20%)  A mix of sun and cloud Low NW 15 31
18:00 25 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 10 30
19:00 25 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 10 30
20:00 24 A mix of sun and cloud (0%)  A mix of sun and cloud Nil N 10 29
21:00 23 Partly cloudy (0%)  Partly cloudy Nil N 10 27
22:00 22 Partly cloudy (0%)  Partly cloudy Nil N 10 26
23:00 21 Partly cloudy (0%)  Partly cloudy Nil N 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