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Observed at: Toronto Buttonville Municipal Airport
Date: Thursday September 23, 2021 at 22:00 EDT
Temp.: 12.4 °C
Wind: SSW 13 gust 28 km/h
Humidity: 89 %
Dew point: 10.7 °C
Pressure: 101.0 kPa
Tendency:
Sunrise: 07:05
Sunset: 19:13
Normals:
Max 18°C Min 8°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
  Friday
Chance of showers (40%)
Chance of showers
Max: 17°C
 Saturday
Rain
Rain
Max: 17°C
 Sunday
Chance of showers (70%)
Chance of showers
Max: 15°C
 Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
 Tuesday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
 Wednesday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
Thursday night
Chance of showers (40%)
Chance of showers
Min: 10°C
 Friday night
Clearing
Clearing
Min: 9°C
 Saturday night
Periods of rain
Periods of rain
Min: 9°C
 Sunday night
Chance of showers (40%)
Chance of showers
Min: 10°C
 Monday night
Cloudy periods
Cloudy periods
Min: 10°C
 Tuesday night
Cloudy periods
Cloudy periods
Min: 10°C

Forecast

Markham, ON (Issued: Thursday September 23, 2021 at 15:30 EDT)

Tonight
Cloudy with 40 percent chance of showers this evening. A few showers beginning near midnight. Wind south 30 km/h gusting to 50. Low 10.
Friday
Cloudy. 40 percent chance of showers in the afternoon. Wind southwest 20 km/h gusting to 40. High 17. UV index 3 or moderate.
Friday night
Clearing in the evening. Wind southwest 30 km/h becoming light in the evening. Low 9.
Saturday
Rain. High 17.
Saturday night
Periods of rain. Low 9.
Sunday
Cloudy with 70 percent chance of showers. High 15.
Sunday night
Cloudy with 40 percent chance of showers. Low 10.
Monday
A mix of sun and cloud. High 18.
Monday night
Cloudy periods. Low 10.
Tuesday
A mix of sun and cloud. High 18.
Tuesday night
Cloudy periods. Low 10.
Wednesday
A mix of sun and cloud. High 18.
Averages and extremes
Highest temperature(1986-2014)29.6 °C2004
Lowest temperature(1986-2014)2.0 °C1992
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)32.0 mm2011
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)32.0 mm2011
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)
23 September 2021
23:00 14 Chance of showers (40%)  Chance of showers Low S 30
24 September 2021
00:00 13 A few showers (80%)  A few showers High S 30
01:00 12 A few showers (80%)  A few showers High S 30
02:00 11 A few showers (80%)  A few showers High S 30
03:00 11 A few showers (80%)  A few showers High S 30
04:00 11 A few showers (80%)  A few showers High S 30
05:00 11 A few showers (80%)  A few showers High S 30
06:00 11 Cloudy (20%)  Cloudy Low S 30
07:00 10 Cloudy (20%)  Cloudy Low S 30
08:00 10 Cloudy (20%)  Cloudy Low S 30
09:00 11 Cloudy (20%)  Cloudy Low SW 20 gust 40
10:00 12 Cloudy (20%)  Cloudy Low SW 20 gust 40
11:00 13 Cloudy (20%)  Cloudy Low SW 30
12:00 14 Chance of showers (40%)  Chance of showers Low SW 30
13:00 14 Chance of showers (40%)  Chance of showers Low SW 30
14:00 15 Chance of showers (40%)  Chance of showers Low SW 30
15:00 16 Chance of showers (40%)  Chance of showers Low SW 30
16:00 16 Chance of showers (40%)  Chance of showers Low SW 30
17:00 17 Chance of showers (40%)  Chance of showers Low SW 30
18:00 16 Mainly cloudy (20%)  Mainly cloudy Low SW 30
19:00 16 Partly cloudy (20%)  Partly cloudy Low SW 30
20:00 15 Clear (20%)  Clear Low VR 5
21:00 15 Clear (0%)  Clear Nil VR 5
22:00 14 Clear (0%)  Clear 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%

Environment Canada