Observed at: Toronto Buttonville Municipal Airport
Date: Tuesday September 18, 2018 at 22:00 EDT
Mainly Clear
Mainly Clear
Temp.: 14.6 °C
Wind: NNW 10 km/h
Humidity: 91 %
Dew point: 13.1 °C
Pressure: 101.3 kPa
Tendency: rising
Visibility: 24.1 km
Sunrise: 06:59
Sunset: 19:23
Normals:
Max 19°C Min 9°C
Yesterday
  Max: 28.4 °C
  Min: 16.8 °C
  Rainfall: 0.0 mm

 Extended Forecast - Environment Canada
  Wednesday
A mix of sun and cloud
A mix of sun and cloud
Max: 22°C
Thursday
Chance of showers (60%)
Chance of showers
Max: 22°C
Friday
Chance of showers (60%)
Chance of showers
Max: 27°C
Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
Sunday
Sunny
Sunny
Max: 16°C
Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
Tuesday night
A few clouds
A few clouds
Min: 13°C
Wednesday night
A few clouds
A few clouds
Min: 10°C
Thursday night
Chance of showers (40%)
Chance of showers
Min: 19°C
Friday night
Chance of showers (30%)
Chance of showers
Min: 9°C
Saturday night
Clear
Clear
Min: 4°C
Sunday night
Clear
Clear
Min: 7°C

Forecast

Markham, ON (Issued: Tuesday September 18, 2018 at 15:30 EDT)

Tonight
A few clouds. Wind northwest 20 km/h becoming light late this evening. Low 13.
Wednesday
A mix of sun and cloud. High 22. UV index 6 or high.
Wednesday night
A few clouds. Low 10.
Thursday
Cloudy with 60 percent chance of showers. High 22.
Thursday night
Cloudy with 40 percent chance of showers. Low 19.
Friday
Cloudy with 60 percent chance of showers. Windy. High 27.
Friday night
Cloudy periods with 30 percent chance of showers. Low 9.
Saturday
A mix of sun and cloud. High 18.
Saturday night
Clear. Low plus 4.
Sunday
Sunny. High 16.
Sunday night
Clear. Low 7.
Monday
A mix of sun and cloud. High 18.
Averages and extremes
Highest temperature(1986-2014)28.4 °C1988
Lowest temperature(1986-2014)2.0 °C1990
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)26.5 mm1992
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)26.5 mm1992
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)
18 September 2018
23:00 18 A few clouds (0%)  A few clouds Nil N 10
19 September 2018
00:00 17 A few clouds (0%)  A few clouds Nil N 10
01:00 15 A few clouds (0%)  A few clouds Nil N 10
02:00 14 A few clouds (0%)  A few clouds Nil N 10
03:00 14 A few clouds (0%)  A few clouds Nil N 10
04:00 13 A few clouds (0%)  A few clouds Nil N 10
05:00 13 A few clouds (0%)  A few clouds Nil N 10
06:00 13 Partly cloudy (10%)  Partly cloudy Low N 10
07:00 13 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
08:00 13 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
09:00 14 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
10:00 16 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
11:00 17 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
12:00 18 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
13:00 18 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
14:00 19 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
15:00 20 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
16:00 21 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
17:00 22 A mix of sun and cloud (10%)  A mix of sun and cloud Low N 10
18:00 21 Mainly sunny (10%)  Mainly sunny Low N 10
19:00 19 A few clouds (10%)  A few clouds Low N 10
20:00 18 A few clouds (10%)  A few clouds Low N 10
21:00 17 A few clouds (10%)  A few clouds Low N 10
22:00 16 A few clouds (10%)  A few clouds Low 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%

Environment Canada