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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
+28
+19
26 August, mon
+28
+19
Feels like
+25
759 mmHg
70%
2.6
m/s
SW
Climate normal
+22
+16
26 August, Monday. day, 28°; night, 19°; light rain
27
+29
+19
27 August, tue
+29
+19
Feels like
+25
756 mmHg
66%
4.7
m/s
SW
Climate normal
+21
+17
27 August, Tuesday. day, 29°; night, 19°; light rain
28
+20
+13
28 August, wed
+20
+13
Feels like
+15
757 mmHg
66%
5.4
m/s
N
Climate normal
+21
+16
28 August, Wednesday. day, 20°; night, 13°; partly cloudy
29
+22
+12
29 August, thu
+22
+12
Feels like
+15
763 mmHg
54%
4.1
m/s
E
Climate normal
+22
+16
29 August, Thursday. day, 22°; night, 12°; light rain
30
+25
+19
30 August, fri
+25
+19
Feels like
+20
758 mmHg
68%
4.4
m/s
S
Climate normal
+22
+17
30 August, Friday. day, 25°; night, 19°; light rain
31
+24
+16
31 August, sat
+24
+16
Feels like
+22
752 mmHg
77%
3.7
m/s
SW
Climate normal
+23
+18
31 August, Saturday. day, 24°; night, 16°; light rain
1 September
+23
+13
1 September, sun
+23
+13
Feels like
+18
751 mmHg
70%
4.9
m/s
SW
Climate normal
+23
+17
1 September, Sunday. day, 23°; night, 13°; rain
2
+18
+10
2 September, mon
+18
+10
Feels like
+11
755 mmHg
53%
5.3
m/s
NW
Climate normal
+22
+17
2 September, Monday. day, 18°; night, 10°; light rain
3
+19
+10
3 September, tue
+19
+10
Feels like
+12
760 mmHg
55%
5.1
m/s
NW
Climate normal
+22
+16
3 September, Tuesday. day, 19°; night, 10°; partly cloudy
4
+22
+12
4 September, wed
+22
+12
Feels like
+17
761 mmHg
60%
3.5
m/s
SW
Climate normal
+20
+17
4 September, Wednesday. day, 22°; night, 12°; clear
5
+23
+14
5 September, thu
+23
+14
Feels like
+17
756 mmHg
68%
4
m/s
SW
Climate normal
+21
+15
5 September, Thursday. day, 23°; night, 14°; partly cloudy
6
+25
+16
6 September, fri
+25
+16
Feels like
+20
756 mmHg
67%
3.3
m/s
W
Climate normal
+21
+16
6 September, Friday. day, 25°; night, 16°; partly cloudy
7
+24
+11
7 September, sat
+24
+11
Feels like
+20
756 mmHg
65%
3.5
m/s
NW
Climate normal
+20
+16
7 September, Saturday. day, 24°; night, 11°; partly cloudy
8
+19
+18
8 September, sun
+19
+18
Feels like
+16
747 mmHg
86%
3.1
m/s
SE
Climate normal
+20
+15
8 September, Sunday. day, 19°; night, 18°; partly cloudy
9
+22
+15
9 September, mon
+22
+15
Feels like
+19
742 mmHg
91%
4.3
m/s
S
Climate normal
+19
+14
9 September, Monday. day, 22°; night, 15°; partly cloudy
10
+17
+12
10 September, tue
+17
+12
Feels like
+10
745 mmHg
72%
4.9
m/s
NW
Climate normal
+20
+15
10 September, Tuesday. day, 17°; night, 12°; mostly clear
11
+19
+11
11 September, wed
+19
+11
Feels like
+14
748 mmHg
70%
3
m/s
NW
Climate normal
+18
+14
11 September, Wednesday. day, 19°; night, 11°; mostly clear
12
+19
+16
12 September, thu
+19
+16
Feels like
+12
752 mmHg
75%
2.3
m/s
SW
Climate normal
+18
+14
12 September, Thursday. day, 19°; night, 16°; clear
13
+21
+18
13 September, fri
+21
+18
Feels like
+16
752 mmHg
72%
4.2
m/s
SE
Climate normal
+19
+12
13 September, Friday. day, 21°; night, 18°; partly cloudy
14
+18
+17
14 September, sat
+18
+17
Feels like
+14
743 mmHg
95%
6.8
m/s
SE
Climate normal
+18
+14
14 September, Saturday. day, 18°; night, 17°; overcast
15
+17
+16
15 September, sun
+17
+16
Feels like
+13
738 mmHg
88%
5.7
m/s
NW
Climate normal
+15
+13
15 September, Sunday. day, 17°; night, 16°; partly cloudy
16
+19
+15
16 September, mon
+19
+15
Feels like
+15
742 mmHg
81%
4.1
m/s
SW
Climate normal
+17
+10
16 September, Monday. day, 19°; night, 15°; partly cloudy
17
+20
+14
17 September, tue
+20
+14
Feels like
+16
739 mmHg
90%
4.1
m/s
SW
Climate normal
+18
+12
17 September, Tuesday. day, 20°; night, 14°; light rain
18
+16
+11
18 September, wed
+16
+11
Feels like
+10
737 mmHg
75%
6.1
m/s
W
Climate normal
+18
+12
18 September, Wednesday. day, 16°; night, 11°; light rain
19
+10
+10
19 September, thu
+10
+10
Feels like
+3
736 mmHg
87%
6.9
m/s
W
Climate normal
+19
+12
19 September, Thursday. day, 10°; night, 10°; partly cloudy
20
+12
+10
20 September, fri
+12
+10
Feels like
+5
739 mmHg
79%
8.2
m/s
W
Climate normal
+19
+14
20 September, Friday. day, 12°; night, 10°; partly cloudy
21
+13
+11
21 September, sat
+13
+11
Feels like
+6
742 mmHg
69%
5.5
m/s
W
Climate normal
+18
+14
21 September, Saturday. day, 13°; night, 11°; mostly clear
22
+15
+14
22 September, sun
+15
+14
Feels like
+12
744 mmHg
71%
2
m/s
S
Climate normal
+18
+13
22 September, Sunday. day, 15°; night, 14°; partly cloudy
23
+17
+16
23 September, mon
+17
+16
Feels like
+15
744 mmHg
73%
2.5
m/s
SE
Climate normal
+18
+12
23 September, Monday. day, 17°; night, 16°; partly cloudy
24
+18
+12
24 September, tue
+18
+12
Feels like
+15
746 mmHg
69%
3.3
m/s
NW
Climate normal
+18
+13
24 September, Tuesday. day, 18°; night, 12°; mostly clear
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
8
sunny days
7
days with precipitation
15
cloudy days
8 sunny days; 7 days with precipitation; 15 cloudy days;
73
%
air humidity
4.4
m/s
Wind
SW
6
mm of precipitation
(1% of annual average)
air humidity 73%; 6 millimeters of precipitation (1% of annual average); Wind south-westerly 4.4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
N
E
S
SW
SW
NW
NW
SW
SW
W
NW
SE
S
NW
NW
SW
SE
SE
NW
SW
SW
W
W
W
W
S
SE
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
