10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
Monthly weather forecast in Markham
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
18
August
+25
+17
18 August, sun
+25
+17
Feels like
+22
738 mmHg
81%
4.2
m/s
S
+24
Climate normal
+24
+20
18 August, Sunday. day, 25°; night, 17°; thunderstorm with rain
19
+19
+12
19 August, mon
+19
+12
Feels like
+13
744 mmHg
63%
7
m/s
NW
+23
Climate normal
+23
+20
19 August, Monday. day, 19°; night, 12°; overcast
20
+19
+11
20 August, tue
+19
+11
Feels like
+12
748 mmHg
52%
6.1
m/s
N
+20
Climate normal
+23
+19
20 August, Tuesday. day, 19°; night, 11°; partly cloudy
21
+21
+12
21 August, wed
+21
+12
Feels like
+14
750 mmHg
50%
5.2
m/s
NW
+22
Climate normal
+22
+19
21 August, Wednesday. day, 21°; night, 12°; mostly clear
22
+24
+14
22 August, thu
+24
+14
Feels like
+19
752 mmHg
49%
2.7
m/s
W
+24
Climate normal
+22
+18
22 August, Thursday. day, 24°; night, 14°; partly cloudy
23
+25
+17
23 August, fri
+25
+17
Feels like
+20
752 mmHg
55%
3.4
m/s
SW
+25
Climate normal
+23
+18
23 August, Friday. day, 25°; night, 17°; mostly clear
24
+26
+19
24 August, sat
+26
+19
Feels like
+23
751 mmHg
61%
2.9
m/s
SW
+25
Climate normal
+23
+19
24 August, Saturday. day, 26°; night, 19°; light rain
25
+28
+20
25 August, sun
+28
+20
Feels like
+25
750 mmHg
64%
3.9
m/s
NW
+26
Climate normal
+22
+19
25 August, Sunday. day, 28°; night, 20°; clear
26
+29
+20
26 August, mon
+29
+20
Feels like
+26
749 mmHg
63%
4.2
m/s
W
+25
Climate normal
+22
+18
26 August, Monday. day, 29°; night, 20°; light rain
27
+27
+19
27 August, tue
+27
+19
Feels like
+25
748 mmHg
64%
3.6
m/s
NW
+25
Climate normal
+22
+19
27 August, Tuesday. day, 27°; night, 19°; light rain
28
+26
+19
28 August, wed
+26
+19
Feels like
+23
747 mmHg
60%
3.7
m/s
NW
Climate normal
+23
+19
28 August, Wednesday. day, 26°; night, 19°; partly cloudy
29
+25
+18
29 August, thu
+25
+18
Feels like
+22
747 mmHg
61%
3.9
m/s
SW
Climate normal
+23
+19
29 August, Thursday. day, 25°; night, 18°; partly cloudy
30
+23
+19
30 August, fri
+23
+19
Feels like
+20
742 mmHg
74%
4.5
m/s
S
Climate normal
+24
+20
30 August, Friday. day, 23°; night, 19°; rain
31
+20
+16
31 August, sat
+20
+16
Feels like
+15
735 mmHg
73%
3.5
m/s
W
Climate normal
+24
+19
31 August, Saturday. day, 20°; night, 16°; mostly clear
1 September
+15
+14
1 September, sun
+15
+14
Feels like
+12
738 mmHg
76%
5.2
m/s
W
Climate normal
+23
+20
1 September, Sunday. day, 15°; night, 14°; partly cloudy
2
+19
+15
2 September, mon
+19
+15
Feels like
+13
740 mmHg
79%
5.2
m/s
W
Climate normal
+23
+19
2 September, Monday. day, 19°; night, 15°; clear
3
+21
+12
3 September, tue
+21
+12
Feels like
+16
739 mmHg
72%
4.4
m/s
N
Climate normal
+23
+19
3 September, Tuesday. day, 21°; night, 12°; mostly clear
4
+18
+14
4 September, wed
+18
+14
Feels like
+12
741 mmHg
75%
4.2
m/s
NW
Climate normal
+21
+18
4 September, Wednesday. day, 18°; night, 14°; clear
5
+21
+17
5 September, thu
+21
+17
Feels like
+16
738 mmHg
76%
4.7
m/s
W
Climate normal
+22
+17
5 September, Thursday. day, 21°; night, 17°; clear
6
+20
+16
6 September, fri
+20
+16
Feels like
+18
736 mmHg
96%
3.5
m/s
W
Climate normal
+22
+18
6 September, Friday. day, 20°; night, 16°; rain
7
+22
+13
7 September, sat
+22
+13
Feels like
+19
739 mmHg
88%
1.7
m/s
NE
Climate normal
+21
+18
7 September, Saturday. day, 22°; night, 13°; clear
8
+24
+12
8 September, sun
+24
+12
Feels like
+17
741 mmHg
82%
1.4
m/s
NE
Climate normal
+20
+18
8 September, Sunday. day, 24°; night, 12°; clear
9
+24
+15
9 September, mon
+24
+15
Feels like
+19
743 mmHg
83%
1.3
m/s
W
Climate normal
+21
+17
9 September, Monday. day, 24°; night, 15°; clear
10
+26
+18
10 September, tue
+26
+18
Feels like
+22
743 mmHg
84%
2.6
m/s
SW
Climate normal
+20
+18
10 September, Tuesday. day, 26°; night, 18°; clear
11
+26
+18
11 September, wed
+26
+18
Feels like
+22
741 mmHg
84%
2
m/s
SW
Climate normal
+19
+16
11 September, Wednesday. day, 26°; night, 18°; clear
12
+26
+20
12 September, thu
+26
+20
Feels like
+22
741 mmHg
81%
1.9
m/s
S
Climate normal
+19
+16
12 September, Thursday. day, 26°; night, 20°; clear
13
+25
+22
13 September, fri
+25
+22
Feels like
+21
741 mmHg
72%
5.1
m/s
S
Climate normal
+20
+15
13 September, Friday. day, 25°; night, 22°; clear
14
+18
+9
14 September, sat
+18
+9
Feels like
+11
740 mmHg
79%
6.5
m/s
NW
Climate normal
+19
+17
14 September, Saturday. day, 18°; night, 9°; rain
15
+13
+7
15 September, sun
+13
+7
Feels like
+6
744 mmHg
60%
3.6
m/s
NE
Climate normal
+17
+14
15 September, Sunday. day, 13°; night, 7°; clear
16
+15
+13
16 September, mon
+15
+13
Feels like
+7
742 mmHg
63%
6.1
m/s
E
Climate normal
+18
+13
16 September, Monday. day, 15°; night, 13°; mostly clear
Average data for 10 years
Next, the average data for 10 years
17
+20
+16
17 September, tue
+20
+16
Feels like
+18
746 mmHg
66%
6
m/s
SW
+22
17 September, Tuesday. day, 20°; night, 16°; clear
18
+18
+15
18 September, wed
+18
+15
Feels like
+16
745 mmHg
69%
6
m/s
SE
+22
18 September, Wednesday. day, 18°; night, 15°; clear
19
+19
+15
19 September, thu
+19
+15
Feels like
+17
746 mmHg
67%
5
m/s
S
+22
19 September, Thursday. day, 19°; night, 15°; partly cloudy
20
+21
+17
20 September, fri
+21
+17
Feels like
+20
744 mmHg
68%
5.9
m/s
S
+23
20 September, Friday. day, 21°; night, 17°; rain
21
+19
+17
21 September, sat
+19
+17
Feels like
+17
746 mmHg
66%
5.1
m/s
W
+21
21 September, Saturday. day, 19°; night, 17°; clear
Average for 30 days
18
sunny days
6
days with precipitation
6
cloudy days
18 sunny days; 6 days with precipitation; 6 cloudy days;
71
%
air humidity
3.9
m/s
Wind
W
30
mm of precipitation
(4% of annual average)
+24
°C
Water temperature
air humidity 71%; 30 millimeters of precipitation (4% of annual average); Wind westerly 3.9 Meters per second; Water temperature +24°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
NW
N
NW
W
SW
SW
NW
W
NW
NW
SW
S
W
W
W
N
NW
W
W
NE
NE
W
SW
SW
S
S
NW
NE
E
18
Average data for 10 years
19
20
21
22
23
24
25
26
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Daytime temperature
Night-time temperature