Observed at: Toronto Buttonville Municipal Airport
Date: Wednesday May 22, 2019 at 08:00 EDT
Temp.: 11.0 °C
Wind: E 6 km/h
Humidity: 63 %
Dew point: 4.2 °C
Pressure: 102.5 kPa
Tendency:
Sunrise: 05:45
Sunset: 20:43
Normals:
Max 20°C Min 8°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
Wednesday
Chance of showers (30%)
Chance of showers
Max: 16°C
Thursday
Chance of showers (40%)
Chance of showers
Max: 23°C
Friday
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Saturday
Chance of showers (60%)
Chance of showers
Max: 20°C
Sunday
Sunny
Sunny
Max: 22°C
Monday
Sunny
Sunny
Max: 21°C
Tuesday
Sunny
Sunny
Max: 20°C
Wednesday night
Chance of showers (30%)
Chance of showers
Min: 10°C
Thursday night
Chance of showers (60%)
Chance of showers
Min: 12°C
Friday night
Chance of showers (60%)
Chance of showers
Min: 12°C
Saturday night
Chance of showers (60%)
Chance of showers
Min: 13°C
Sunday night
Clear
Clear
Min: 11°C
Monday night
Clear
Clear
Min: 10°C
 

Forecast

Markham, ON (Issued: Wednesday May 22, 2019 at 05:00 EDT)

Today
Mainly cloudy. 30 percent chance of showers late this afternoon. Wind becoming southeast 30 km/h gusting to 50 near noon. High 16. UV index 7 or high.
Tonight
Partly cloudy. 30 percent chance of showers early this evening. Fog patches developing overnight. Wind southeast 30 km/h gusting to 50 becoming light this evening. Low 10.
Thursday
A mix of sun and cloud. 40 percent chance of showers in the afternoon with risk of thunderstorms. Fog patches dissipating in the morning. Wind becoming southwest 30 km/h late in the morning. High 23. Humidex 28. UV index 9 or very high.
Thursday night
Cloudy periods with 60 percent chance of showers. Low 12.
Friday
A mix of sun and cloud. High 20.
Friday night
Cloudy with 60 percent chance of showers. Low 12.
Saturday
Cloudy with 60 percent chance of showers. High 20.
Saturday night
Cloudy periods with 60 percent chance of showers. Low 13.
Sunday
Sunny. High 22.
Sunday night
Clear. Low 11.
Monday
Sunny. High 21.
Monday night
Clear. Low 10.
Tuesday
Sunny. High 20.
Averages and extremes
Highest temperature(1987-2014)29.7 °C1994
Lowest temperature(1987-2014)0.8 °C2002
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1987-2014)45.6 mm2001
Greatest snowfall(1987-2014)0.0 cm1987
Greatest precipitation(1987-2014)45.6 mm2001
Most snow on the ground(1987-2014)0.0 cm1987
Monthly frequency of precipitation39.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
22 May 2019
09:00 11 Mainly cloudy (0%)  Mainly cloudy Nil VR 5
10:00 12 Mainly cloudy (0%)  Mainly cloudy Nil E 15
11:00 12 Mainly cloudy (0%)  Mainly cloudy Nil E 15
12:00 13 Mainly cloudy (0%)  Mainly cloudy Nil E 20
13:00 14 Mainly cloudy (0%)  Mainly cloudy Nil E 20
14:00 15 Mainly cloudy (0%)  Mainly cloudy Nil E 20
15:00 15 Chance of showers (30%)  Chance of showers Low SE 30 gust 50
16:00 16 Chance of showers (30%)  Chance of showers Low SE 30 gust 50
17:00 16 Chance of showers (30%)  Chance of showers Low SE 30 gust 50
18:00 15 Chance of showers (30%)  Chance of showers Low SE 30 gust 50
19:00 15 Chance of showers (30%)  Chance of showers Low SE 30 gust 50
20:00 14 A mix of sun and cloud (10%)  A mix of sun and cloud Low E 10
21:00 14 Partly cloudy (10%)  Partly cloudy Low E 10
22:00 13 Partly cloudy (10%)  Partly cloudy Low E 10
23:00 13 Partly cloudy (10%)  Partly cloudy Low E 10
23 May 2019
00:00 12 Partly cloudy (10%)  Partly cloudy Low E 10
01:00 12 Partly cloudy (10%)  Partly cloudy Low E 10
02:00 11 Partly cloudy (0%)  Partly cloudy Nil E 10
03:00 11 Partly cloudy (0%)  Partly cloudy Nil E 10
04:00 10 Partly cloudy (0%)  Partly cloudy Nil E 10
05:00 10 Partly cloudy (0%)  Partly cloudy Nil SE 10
06:00 11 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 10
07:00 13 A mix of sun and cloud (0%)  A mix of sun and cloud Nil SE 10
08:00 14 A mix of sun and cloud (20%)  A mix of sun and cloud Low SE 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%

Environment Canada