HEAT WARNING

Observed at: Toronto Buttonville Municipal Airport
Date: Saturday July 04, 2020 at 06:00 EDT
Temp.: 19.7 °C
Wind: NNW 14 km/h
Humidity: 69 %
Dew point: 13.9 °C
Pressure: 101.6 kPa
Tendency:
Sunrise: 05:41
Sunset: 21:03
Normals:
Max 26°C Min 14°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
Saturday
Mainly sunny
Mainly sunny
Max: 32°C
Sunday
Mainly sunny
Mainly sunny
Max: 33°C
Monday
Chance of showers (30%)
Chance of showers
Max: 31°C
Tuesday
A mix of sun and cloud
A mix of sun and cloud
Max: 33°C
Wednesday
A mix of sun and cloud
A mix of sun and cloud
Max: 30°C
Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: 29°C
Friday
Chance of showers (30%)
Chance of showers
Max: 30°C
Saturday night
Clear
Clear
Min: 20°C
Sunday night
Cloudy periods
Cloudy periods
Min: 20°C
Monday night
Clear
Clear
Min: 21°C
Tuesday night
Chance of showers (30%)
Chance of showers
Min: 21°C
Wednesday night
Cloudy periods
Cloudy periods
Min: 20°C
Thursday night
Chance of showers (30%)
Chance of showers
Min: 20°C
 

Forecast

Markham, ON (Issued: Saturday July 04, 2020 at 05:00 EDT)

Today
Mainly sunny. Wind north 20 km/h becoming light near noon. High 32. Humidex 35. UV index 10 or very high.
Tonight
Clear. Low 20.
Sunday
Sunny. Becoming a mix of sun and cloud near noon. High 33. Humidex 38. UV index 9 or very high.
Sunday night
Increasing cloudiness. Low 20.
Monday
A mix of sun and cloud with 30 percent chance of showers. High 31.
Monday night
Clear. Low 21.
Tuesday
A mix of sun and cloud. High 33.
Tuesday night
Cloudy periods with 30 percent chance of showers. Low 21.
Wednesday
A mix of sun and cloud. High 30.
Wednesday night
Cloudy periods. Low 20.
Thursday
A mix of sun and cloud. High 29.
Thursday night
Cloudy periods with 30 percent chance of showers. Low 20.
Friday
A mix of sun and cloud with 30 percent chance of showers. High 30.
Averages and extremes
Highest temperature(1986-2014)35.4 °C1990
Lowest temperature(1986-2014)9.8 °C1988
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)22.0 mm2004
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)22.0 mm2004
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
4 July 2020
07:00 22 Sunny (0%)  Sunny Nil N 20 25
08:00 23 Sunny (0%)  Sunny Nil N 20 25
09:00 25 Sunny (0%)  Sunny Nil N 20 28
10:00 27 Sunny (0%)  Sunny Nil N 20 30
11:00 29 Sunny (0%)  Sunny Nil N 20 32
12:00 30 Mainly sunny (10%)  Mainly sunny Low N 15 33
13:00 31 Mainly sunny (10%)  Mainly sunny Low N 15 34
14:00 32 Mainly sunny (10%)  Mainly sunny Low N 15 35
15:00 32 Mainly sunny (10%)  Mainly sunny Low N 15 35
16:00 32 Mainly sunny (10%)  Mainly sunny Low N 15 35
17:00 32 Mainly sunny (10%)  Mainly sunny Low N 15 35
18:00 31 Mainly sunny (10%)  Mainly sunny Low N 15 34
19:00 29 Mainly sunny (10%)  Mainly sunny Low N 15 32
20:00 28 Sunny (0%)  Sunny Nil W 10 30
21:00 27 Clear (0%)  Clear Nil W 10 30
22:00 26 Clear (0%)  Clear Nil W 10 29
23:00 25 Clear (0%)  Clear Nil VR 5 28
5 July 2020
00:00 24 Clear (0%)  Clear Nil VR 5 27
01:00 23 Clear (0%)  Clear Nil VR 5 26
02:00 22 Clear (0%)  Clear Nil VR 5 25
03:00 21 Clear (0%)  Clear Nil VR 5
04:00 21 Clear (0%)  Clear Nil VR 5
05:00 20 Clear (0%)  Clear Nil VR 5
06:00 21 Sunny (0%)  Sunny Nil VR 5
 
† 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