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Observed at: Toronto Buttonville Municipal Airport
Date: Tuesday September 29, 2020 at 12:00 EDT
Temp.: 16.3 °C
Wind: WSW 10 km/h
Humidity: 66 %
Dew point: 9.9 °C
Pressure: 101.0 kPa
Tendency:
Sunrise: 07:12
Sunset: 19:02
Normals:
Max 16°C Min 7°C
Yesterday
  Max: °C
  Min: °C
  Rainfall: mm
 Extended Forecast - Environment Canada
Tuesday
Mainly cloudy
Mainly cloudy
Max: 19°C
 Wednesday
Chance of showers (60%)
Chance of showers
Max: 17°C
 Thursday
Chance of showers (40%)
Chance of showers
Max: 15°C
 Friday
Chance of showers (40%)
Chance of showers
Max: 12°C
 Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 12°C
 Sunday
Chance of showers (40%)
Chance of showers
Max: 11°C
 Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 14°C
Tuesday night
Chance of showers (40%)
Chance of showers
Min: 12°C
 Wednesday night
Chance of showers (40%)
Chance of showers
Min: 8°C
 Thursday night
Chance of showers (40%)
Chance of showers
Min: 6°C
 Friday night
Chance of showers (30%)
Chance of showers
Min: 3°C
 Saturday night
Cloudy periods
Cloudy periods
Min: 4°C
 Sunday night
Chance of showers (60%)
Chance of showers
Min: 7°C
  

Forecast

Markham, ON (Issued: Tuesday September 29, 2020 at 11:00 EDT)

Today
A mix of sun and cloud. Becoming cloudy this afternoon. Wind southwest 20 km/h. High 19. UV index 5 or moderate.
Tonight
Cloudy. 40 percent chance of showers late this evening and overnight. Low 12.
Wednesday
Cloudy. 60 percent chance of showers in the afternoon with risk of a thunderstorm. Wind becoming southwest 30 km/h gusting to 50 in the morning. High 17. UV index 2 or low.
Wednesday night
Cloudy periods with 40 percent chance of showers. Low 8.
Thursday
Cloudy with 40 percent chance of showers. High 15.
Thursday night
Cloudy periods with 40 percent chance of showers. Low 6.
Friday
A mix of sun and cloud with 40 percent chance of showers. High 12.
Friday night
Cloudy periods with 30 percent chance of showers. Low plus 3.
Saturday
A mix of sun and cloud. High 12.
Saturday night
Cloudy periods. Low plus 4.
Sunday
Cloudy with 40 percent chance of showers. High 11.
Sunday night
Cloudy with 60 percent chance of showers. Low 7.
Monday
A mix of sun and cloud. High 14.
Averages and extremes
Highest temperature(1986-2014)25.1 °C2014
Lowest temperature(1986-2014)-1.0 °C2000
Average highn/a 
Average lown/a 
Averagen/a 
Greatest rainfall(1986-2014)55.8 mm1999
Greatest snowfall(1986-2014)0.0 cm1986
Greatest precipitation(1986-2014)55.8 mm1999
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)
29 September 2020
13:00 16 A mix of sun and cloud (10%)  A mix of sun and cloud Low SW 20
14:00 17 A mix of sun and cloud (10%)  A mix of sun and cloud Low SW 20
15:00 18 Cloudy (20%)  Cloudy Low SW 20
16:00 18 Cloudy (20%)  Cloudy Low SW 20
17:00 19 Cloudy (20%)  Cloudy Low SW 20
18:00 18 Cloudy (20%)  Cloudy Low SW 10
19:00 16 Cloudy (20%)  Cloudy Low SW 10
20:00 15 Cloudy (20%)  Cloudy Low SW 10
21:00 15 Chance of showers (40%)  Chance of showers Low SW 10
22:00 14 Chance of showers (40%)  Chance of showers Low SW 10
23:00 14 Chance of showers (40%)  Chance of showers Low SW 10
30 September 2020
00:00 13 Chance of showers (40%)  Chance of showers Low SW 10
01:00 13 Chance of showers (40%)  Chance of showers Low SW 10
02:00 12 Chance of showers (40%)  Chance of showers Low SW 10
03:00 12 Chance of showers (40%)  Chance of showers Low SW 10
04:00 12 Chance of showers (40%)  Chance of showers Low SW 10
05:00 12 Chance of showers (40%)  Chance of showers Low SW 10
06:00 12 Mainly cloudy (20%)  Mainly cloudy Low SW 10
07:00 13 Mainly cloudy (20%)  Mainly cloudy Low SW 10
08:00 13 Mainly cloudy (20%)  Mainly cloudy Low SW 10
09:00 14 Mainly cloudy (20%)  Mainly cloudy Low SW 20 gust 40
10:00 14 Mainly cloudy (20%)  Mainly cloudy Low SW 20 gust 40
11:00 15 Chance of showers (60%)  Chance of showers Medium SW 20 gust 40
12:00 16 Chance of showers. Risk of thunderstorms (60%)  Chance of showers. Risk of thunderstorms Medium SW 30 gust 50
 
† 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