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Monthly weather forecast in Ottawa
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
11
+23
+18
11 August, sun
+23
+18
Feels like
+23
749 mmHg
75%
4.6
m/s
N
11 August, Sunday. day, 23°; night, 18°; rain
12
+22
+18
12 August, mon
+22
+18
Feels like
+23
748 mmHg
75%
4.5
m/s
SW
12 August, Monday. day, 22°; night, 18°; clear
13
+21
+16
13 August, tue
+21
+16
Feels like
+21
749 mmHg
77%
4.5
m/s
SW
13 August, Tuesday. day, 21°; night, 16°; rain
14
August
+29
+19
14 August, wed
+29
+19
Feels like
+25
757 mmHg
60%
4
m/s
W
Climate normal
+22
+18
14 August, Wednesday. day, 29°; night, 19°; light rain
15
+30
+20
15 August, thu
+30
+20
Feels like
+28
756 mmHg
61%
3.3
m/s
W
Climate normal
+23
+17
15 August, Thursday. day, 30°; night, 20°; mostly clear
16
+29
+20
16 August, fri
+29
+20
Feels like
+27
755 mmHg
64%
3.1
m/s
S
Climate normal
+23
+17
16 August, Friday. day, 29°; night, 20°; partly cloudy
17
+23
+21
17 August, sat
+23
+21
Feels like
+21
751 mmHg
85%
4.8
m/s
SE
Climate normal
+23
+18
17 August, Saturday. day, 23°; night, 21°; rain
18
+24
+20
18 August, sun
+24
+20
Feels like
+25
749 mmHg
87%
2.7
m/s
SE
Climate normal
+24
+18
18 August, Sunday. day, 24°; night, 20°; thunderstorm with rain
19
+20
+12
19 August, mon
+20
+12
Feels like
+16
751 mmHg
67%
4.9
m/s
N
Climate normal
+23
+17
19 August, Monday. day, 20°; night, 12°; heavy rain
20
+21
+12
20 August, tue
+21
+12
Feels like
+15
758 mmHg
52%
3.9
m/s
NW
Climate normal
+22
+17
20 August, Tuesday. day, 21°; night, 12°; partly cloudy
21
+24
+14
21 August, wed
+24
+14
Feels like
+18
760 mmHg
60%
3.7
m/s
W
Climate normal
+21
+17
21 August, Wednesday. day, 24°; night, 14°; partly cloudy
22
+26
+16
22 August, thu
+26
+16
Feels like
+23
759 mmHg
67%
2.9
m/s
SW
Climate normal
+22
+17
22 August, Thursday. day, 26°; night, 16°; mostly clear
23
+26
+18
23 August, fri
+26
+18
Feels like
+22
757 mmHg
67%
4.4
m/s
SW
Climate normal
+23
+17
23 August, Friday. day, 26°; night, 18°; partly cloudy
24
+24
+16
24 August, sat
+24
+16
Feels like
+22
753 mmHg
75%
4
m/s
W
Climate normal
+23
+17
24 August, Saturday. day, 24°; night, 16°; light rain
25
+23
+16
25 August, sun
+23
+16
Feels like
+19
754 mmHg
69%
3.9
m/s
W
Climate normal
+21
+17
25 August, Sunday. day, 23°; night, 16°; partly cloudy
26
+26
+9
26 August, mon
+26
+9
Feels like
+18
753 mmHg
65%
4.1
m/s
W
Climate normal
+22
+16
26 August, Monday. day, 26°; night, 9°; partly cloudy
27
+14
+10
27 August, tue
+14
+10
Feels like
+6
748 mmHg
63%
5.3
m/s
NW
Climate normal
+21
+17
27 August, Tuesday. day, 14°; night, 10°; clear
28
+15
+10
28 August, wed
+15
+10
Feels like
+8
749 mmHg
65%
4.4
m/s
NW
Climate normal
+21
+16
28 August, Wednesday. day, 15°; night, 10°; clear
29
+19
+9
29 August, thu
+19
+9
Feels like
+13
752 mmHg
77%
2.1
m/s
SW
Climate normal
+22
+16
29 August, Thursday. day, 19°; night, 9°; clear
30
+22
+15
30 August, fri
+22
+15
Feels like
+16
752 mmHg
79%
2.6
m/s
S
Climate normal
+22
+17
30 August, Friday. day, 22°; night, 15°; clear
31
+21
+19
31 August, sat
+21
+19
Feels like
+18
749 mmHg
77%
3.5
m/s
S
Climate normal
+23
+18
31 August, Saturday. day, 21°; night, 19°; clear
1 September
+24
+19
1 September, sun
+24
+19
Feels like
+20
745 mmHg
86%
5.6
m/s
S
Climate normal
+23
+17
1 September, Sunday. day, 24°; night, 19°; light rain
2
+22
+13
2 September, mon
+22
+13
Feels like
+17
746 mmHg
78%
4.9
m/s
W
Climate normal
+22
+17
2 September, Monday. day, 22°; night, 13°; clear
3
+14
+11
3 September, tue
+14
+11
Feels like
+12
747 mmHg
84%
3.5
m/s
NE
Climate normal
+22
+16
3 September, Tuesday. day, 14°; night, 11°; light rain
4
+16
+14
4 September, wed
+16
+14
Feels like
+11
746 mmHg
76%
3.9
m/s
N
Climate normal
+20
+17
4 September, Wednesday. day, 16°; night, 14°; partly cloudy
5
+17
+12
5 September, thu
+17
+12
Feels like
+12
747 mmHg
75%
3.9
m/s
N
Climate normal
+21
+15
5 September, Thursday. day, 17°; night, 12°; mostly clear
6
+18
+13
6 September, fri
+18
+13
Feels like
+13
746 mmHg
73%
3.3
m/s
NW
Climate normal
+21
+16
6 September, Friday. day, 18°; night, 13°; mostly clear
7
+20
+16
7 September, sat
+20
+16
Feels like
+13
745 mmHg
74%
4.9
m/s
W
Climate normal
+20
+16
7 September, Saturday. day, 20°; night, 16°; partly cloudy
8
+19
+12
8 September, sun
+19
+12
Feels like
+13
741 mmHg
84%
7.4
m/s
SW
Climate normal
+20
+15
8 September, Sunday. day, 19°; night, 12°; light rain
9
+16
+8
9 September, mon
+16
+8
Feels like
+11
744 mmHg
81%
4.9
m/s
NW
Climate normal
+19
+14
9 September, Monday. day, 16°; night, 8°; light rain
10
+18
+16
10 September, tue
+18
+16
Feels like
+12
746 mmHg
74%
4.4
m/s
SW
Climate normal
+20
+15
10 September, Tuesday. day, 18°; night, 16°; clear
11
+21
+24
11 September, wed
+21
+24
Feels like
+15
741 mmHg
87%
7.7
m/s
S
Climate normal
+18
+14
11 September, Wednesday. day, 21°; night, 24°; light rain
12
+24
+13
12 September, thu
+24
+13
Feels like
+19
740 mmHg
82%
6.8
m/s
NW
Climate normal
+18
+14
12 September, Thursday. day, 24°; night, 13°; rain
Average data for 10 years
Next, the average data for 10 years
13
+19
+12
13 September, fri
+19
+12
Feels like
+17
751 mmHg
68%
4.9
m/s
W
13 September, Friday. day, 19°; night, 12°; rain
14
+18
+14
14 September, sat
+18
+14
Feels like
+16
752 mmHg
73%
5.3
m/s
W
14 September, Saturday. day, 18°; night, 14°; clear
Average for 30 days
13
sunny days
9
days with precipitation
8
cloudy days
13 sunny days; 9 days with precipitation; 8 cloudy days;
73
%
air humidity
4.3
m/s
Wind
W
41
mm of precipitation
(4% of annual average)
air humidity 73%; 41 millimeters of precipitation (4% of annual average); Wind westerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
S
SE
SE
N
NW
W
SW
SW
W
W
W
NW
NW
SW
S
S
S
W
NE
N
N
NW
W
SW
NW
SW
S
NW
14
Average data for 10 years
15
16
17
18
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
Daytime temperature
Night-time temperature