Observed at: Toronto Buttonville Municipal Airport
Date: Thursday October 21, 2021 at 10:00 EDT
Temp.: 14.6 °C
Wind: SW 5 km/h
Humidity: 94 %
Dew point: 13.6 °C
Pressure: 101.1 kPa
Tendency:
Sunrise: 07:39
Sunset: 18:24
Normals:
Max 11°C Min 3°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm

 Extended Forecast - Environment Canada
Thursday
Showers
Showers
Max: 17°C
Friday
Overcast
Overcast
Max: 9°C
Saturday
Chance of showers (30%)
Chance of showers
Max: 8°C
Sunday
Chance of showers (30%)
Chance of showers
Max: 10°C
Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 9°C
Tuesday
Cloudy
Cloudy
Max: 10°C
Wednesday
Cloudy
Cloudy
Max: 12°C
Thursday night
Chance of showers (40%)
Chance of showers
Min: 5°C
Friday night
Cloudy
Cloudy
Min: 2°C
Saturday night
Chance of showers (30%)
Chance of showers
Min: 4°C
Sunday night
Cloudy periods
Cloudy periods
Min: 3°C
Monday night
Chance of showers (30%)
Chance of showers
Min: 5°C
Tuesday night
Cloudy
Cloudy
Min: 6°C
 

Forecast

Markham, ON (Issued: Thursday October 21, 2021 at 05:00 EDT)

Today
Cloudy. 40 percent chance of showers this morning. Showers beginning this morning. Risk of a thunderstorm late this morning and this afternoon. Wind becoming southwest 20 km/h gusting to 40 this morning. High 17. UV index 1 or low.
Tonight
Showers ending late this evening then cloudy with 40 percent chance of showers. Risk of a thunderstorm this evening. Wind southwest 20 km/h gusting to 40 becoming light this evening. Wind becoming northwest 30 gusting to 50 late this evening. Low plus 5.
Friday
Overcast. Wind northwest 20 km/h becoming light late in the morning. High 9. UV index 1 or low.
Friday night
Cloudy. Low plus 2.
Saturday
Cloudy with 30 percent chance of showers. High 8.
Saturday night
Cloudy with 30 percent chance of showers. Low plus 4.
Sunday
Cloudy with 30 percent chance of showers. High 10.
Sunday night
Cloudy periods. Low plus 3.
Monday
A mix of sun and cloud. High 9.
Monday night
Cloudy with 30 percent chance of showers. Low plus 5.
Tuesday
Cloudy. High 10.
Tuesday night
Cloudy. Low 6.
Wednesday
Cloudy. High 12.
Averages and extremes
Highest temperature(1986-2014)25.1 °C2007
Lowest temperature(1986-2014)-1.8 °C1988
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)13.9 mm1995
Greatest snowfall(1986-2014)0.2 cm2008
Greatest precipitation(1986-2014)13.9 mm1995
Most snow on the ground(1986-2014)0.0 cm1986
Monthly frequency of precipitation43.0 % 

24 Hour Forecast - Markham, ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
21 October 2021
11:00 14 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20 gust 40
12:00 15 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20
13:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High S 15
14:00 17 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20 gust 40
15:00 17 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20 gust 40
16:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 30
17:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20
18:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20 gust 40
19:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 20
20:00 16 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 10
21:00 15 Showers. Risk of thunderstorms (80%)  Showers. Risk of thunderstorms High SW 15
22:00 15 Chance of showers (40%)  Chance of showers Low NW 20 gust 40
23:00 14 Chance of showers (40%)  Chance of showers Low NW 20 gust 40
22 October 2021
00:00 12 Chance of showers (40%)  Chance of showers Low NW 30 gust 50
01:00 10 Chance of showers (40%)  Chance of showers Low NW 30 gust 50
02:00 8 Chance of showers (40%)  Chance of showers Low NW 30 gust 50
03:00 7 Chance of showers (40%)  Chance of showers Low NW 30 gust 50
04:00 7 Chance of showers (40%)  Chance of showers Low NW 20 gust 40
05:00 6 Chance of showers (40%)  Chance of showers Low NW 20
06:00 6 Overcast (20%)  Overcast Low NW 20
07:00 5 Overcast (20%)  Overcast Low NW 15
08:00 5 Overcast (20%)  Overcast Low NW 10
09:00 5 Overcast (20%)  Overcast Low NW 10
10:00 5 Overcast (20%)  Overcast Low NW 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%

Environment Canada