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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
25
+21
+17
25 August, sun
+21
+17
Feels like
+20
751 mmHg
69%
5.6
m/s
W
25 August, Sunday. day, 21°; night, 17°; clear
26
August
+29
+19
26 August, mon
+29
+19
Feels like
+25
759 mmHg
70%
2.6
m/s
SW
Climate normal
+22
+16
26 August, Monday. day, 29°; night, 19°; light rain
27
+28
+20
27 August, tue
+28
+20
Feels like
+25
755 mmHg
69%
4.4
m/s
SW
Climate normal
+21
+17
27 August, Tuesday. day, 28°; night, 20°; thunderstorm with rain
28
+19
+14
28 August, wed
+19
+14
Feels like
+15
756 mmHg
71%
5.3
m/s
N
Climate normal
+21
+16
28 August, Wednesday. day, 19°; night, 14°; partly cloudy
29
+22
+13
29 August, thu
+22
+13
Feels like
+16
762 mmHg
54%
4.4
m/s
E
Climate normal
+22
+16
29 August, Thursday. day, 22°; night, 13°; light rain
30
+24
+20
30 August, fri
+24
+20
Feels like
+20
758 mmHg
70%
4.4
m/s
E
Climate normal
+22
+17
30 August, Friday. day, 24°; night, 20°; light rain
31
+24
+15
31 August, sat
+24
+15
Feels like
+22
752 mmHg
81%
3.9
m/s
SW
Climate normal
+23
+18
31 August, Saturday. day, 24°; night, 15°; light rain
1 September
+23
+13
1 September, sun
+23
+13
Feels like
+18
751 mmHg
69%
5
m/s
SW
Climate normal
+23
+17
1 September, Sunday. day, 23°; night, 13°; clear
2
+18
+10
2 September, mon
+18
+10
Feels like
+12
756 mmHg
58%
5.2
m/s
NW
Climate normal
+22
+17
2 September, Monday. day, 18°; night, 10°; light rain
3
+21
+11
3 September, tue
+21
+11
Feels like
+14
760 mmHg
59%
4.4
m/s
W
Climate normal
+22
+16
3 September, Tuesday. day, 21°; night, 11°; mostly clear
4
+24
+13
4 September, wed
+24
+13
Feels like
+17
759 mmHg
59%
3.5
m/s
SW
Climate normal
+20
+17
4 September, Wednesday. day, 24°; night, 13°; partly cloudy
5
+24
+14
5 September, thu
+24
+14
Feels like
+20
754 mmHg
69%
3.8
m/s
SW
Climate normal
+21
+15
5 September, Thursday. day, 24°; night, 14°; partly cloudy
6
+25
+16
6 September, fri
+25
+16
Feels like
+20
755 mmHg
67%
3.8
m/s
SW
Climate normal
+21
+16
6 September, Friday. day, 25°; night, 16°; partly cloudy
7
+25
+11
7 September, sat
+25
+11
Feels like
+16
753 mmHg
68%
5
m/s
SW
Climate normal
+20
+16
7 September, Saturday. day, 25°; night, 11°; partly cloudy
8
+22
+15
8 September, sun
+22
+15
Feels like
+17
750 mmHg
73%
3.1
m/s
NE
Climate normal
+20
+15
8 September, Sunday. day, 22°; night, 15°; mostly clear
9
+22
+14
9 September, mon
+22
+14
Feels like
+16
752 mmHg
77%
3.3
m/s
NE
Climate normal
+19
+14
9 September, Monday. day, 22°; night, 14°; clear
10
+21
+13
10 September, tue
+21
+13
Feels like
+15
755 mmHg
69%
3.4
m/s
NE
Climate normal
+20
+15
10 September, Tuesday. day, 21°; night, 13°; clear
11
+22
+15
11 September, wed
+22
+15
Feels like
+15
757 mmHg
65%
3
m/s
E
Climate normal
+18
+14
11 September, Wednesday. day, 22°; night, 15°; clear
12
+22
+15
12 September, thu
+22
+15
Feels like
+16
755 mmHg
71%
2.1
m/s
SE
Climate normal
+18
+14
12 September, Thursday. day, 22°; night, 15°; mostly clear
13
+22
+17
13 September, fri
+22
+17
Feels like
+17
750 mmHg
69%
3
m/s
E
Climate normal
+19
+12
13 September, Friday. day, 22°; night, 17°; partly cloudy
14
+20
+15
14 September, sat
+20
+15
Feels like
+17
749 mmHg
78%
1.3
m/s
E
Climate normal
+18
+14
14 September, Saturday. day, 20°; night, 15°; partly cloudy
15
+24
+13
15 September, sun
+24
+13
Feels like
+19
748 mmHg
78%
Calm m/s
Climate normal
+15
+13
15 September, Sunday. day, 24°; night, 13°; mostly clear
16
+24
+17
16 September, mon
+24
+17
Feels like
+19
747 mmHg
69%
2.9
m/s
E
Climate normal
+17
+10
16 September, Monday. day, 24°; night, 17°; clear
17
+19
+16
17 September, tue
+19
+16
Feels like
+13
749 mmHg
76%
6.5
m/s
S
Climate normal
+18
+12
17 September, Tuesday. day, 19°; night, 16°; light rain
18
+19
+16
18 September, wed
+19
+16
Feels like
+16
749 mmHg
89%
4.4
m/s
S
Climate normal
+18
+12
18 September, Wednesday. day, 19°; night, 16°; light rain
19
+20
+14
19 September, thu
+20
+14
Feels like
+15
745 mmHg
63%
4.3
m/s
SE
Climate normal
+19
+12
19 September, Thursday. day, 20°; night, 14°; partly cloudy
20
+20
+14
20 September, fri
+20
+14
Feels like
+15
742 mmHg
79%
3.7
m/s
NW
Climate normal
+19
+14
20 September, Friday. day, 20°; night, 14°; partly cloudy
21
+18
+16
21 September, sat
+18
+16
Feels like
+11
744 mmHg
69%
5.8
m/s
SW
Climate normal
+18
+14
21 September, Saturday. day, 18°; night, 16°; clear
22
+18
+12
22 September, sun
+18
+12
Feels like
+11
748 mmHg
71%
3.8
m/s
NW
Climate normal
+18
+13
22 September, Sunday. day, 18°; night, 12°; mostly clear
23
+21
+18
23 September, mon
+21
+18
Feels like
+13
744 mmHg
73%
6.9
m/s
SW
Climate normal
+18
+12
23 September, Monday. day, 21°; night, 18°; mostly clear
24
+15
+8
24 September, tue
+15
+8
Feels like
+9
745 mmHg
69%
6.2
m/s
NW
Climate normal
+18
+13
24 September, Tuesday. day, 15°; night, 8°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
25
+18
+13
25 September, wed
+18
+13
Feels like
+17
755 mmHg
66%
4
m/s
SW
25 September, Wednesday. day, 18°; night, 13°; clear
26
+20
+14
26 September, thu
+20
+14
Feels like
+19
752 mmHg
73%
4.8
m/s
SE
26 September, Thursday. day, 20°; night, 14°; rain
27
+18
+14
27 September, fri
+18
+14
Feels like
+16
749 mmHg
76%
5.1
m/s
S
27 September, Friday. day, 18°; night, 14°; rain
28
+17
+14
28 September, sat
+17
+14
Feels like
+15
749 mmHg
79%
5.5
m/s
S
28 September, Saturday. day, 17°; night, 14°; partly cloudy
Average for 30 days
13
sunny days
7
days with precipitation
10
cloudy days
13 sunny days; 7 days with precipitation; 10 cloudy days;
70
%
air humidity
4
m/s
Wind
SW
4
mm of precipitation
(1% of annual average)
air humidity 70%; 4 millimeters of precipitation (1% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
N
E
E
SW
SW
NW
W
SW
SW
SW
SW
NE
NE
NE
E
SE
E
E
E
S
S
SE
NW
SW
NW
SW
NW
26
Average data for 10 years
27
28
29
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Daytime temperature
Night-time temperature
