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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
+22
+16
26 August, mon
+22
+16
Feels like
+21
753 mmHg
66%
4.5
m/s
W
26 August, Monday. day, 22°; night, 16°; clear
27
+21
+17
27 August, tue
+21
+17
Feels like
+20
752 mmHg
68%
4.8
m/s
NW
27 August, Tuesday. day, 21°; night, 17°; clear
28
August
+18
+13
28 August, wed
+18
+13
Feels like
+14
758 mmHg
61%
5.6
m/s
N
Climate normal
+21
+16
28 August, Wednesday. day, 18°; night, 13°; partly cloudy
29
+22
+13
29 August, thu
+22
+13
Feels like
+16
763 mmHg
56%
4.1
m/s
NE
Climate normal
+22
+16
29 August, Thursday. day, 22°; night, 13°; clear
30
+24
+20
30 August, fri
+24
+20
Feels like
+19
760 mmHg
74%
4.6
m/s
S
Climate normal
+22
+17
30 August, Friday. day, 24°; night, 20°; light rain
31
+25
+16
31 August, sat
+25
+16
Feels like
+22
752 mmHg
81%
4.1
m/s
SW
Climate normal
+23
+18
31 August, Saturday. day, 25°; night, 16°; heavy rain
1 September
+23
+11
1 September, sun
+23
+11
Feels like
+18
749 mmHg
69%
6.3
m/s
SW
Climate normal
+23
+17
1 September, Sunday. day, 23°; night, 11°; rain
2
+18
+9
2 September, mon
+18
+9
Feels like
+11
758 mmHg
50%
5.8
m/s
NW
Climate normal
+22
+17
2 September, Monday. day, 18°; night, 9°; mostly clear
3
+21
+11
3 September, tue
+21
+11
Feels like
+14
761 mmHg
49%
4.5
m/s
W
Climate normal
+22
+16
3 September, Tuesday. day, 21°; night, 11°; light rain
4
+24
+14
4 September, wed
+24
+14
Feels like
+18
761 mmHg
58%
3.5
m/s
SW
Climate normal
+20
+17
4 September, Wednesday. day, 24°; night, 14°; mostly clear
5
+26
+16
5 September, thu
+26
+16
Feels like
+20
757 mmHg
63%
5
m/s
SW
Climate normal
+21
+15
5 September, Thursday. day, 26°; night, 16°; mostly clear
6
+23
+13
6 September, fri
+23
+13
Feels like
+17
752 mmHg
72%
5.9
m/s
SW
Climate normal
+21
+16
6 September, Friday. day, 23°; night, 13°; light rain
7
+21
+14
7 September, sat
+21
+14
Feels like
+16
753 mmHg
71%
4.6
m/s
W
Climate normal
+20
+16
7 September, Saturday. day, 21°; night, 14°; partly cloudy
8
+22
+14
8 September, sun
+22
+14
Feels like
+17
752 mmHg
68%
4
m/s
SW
Climate normal
+20
+15
8 September, Sunday. day, 22°; night, 14°; partly cloudy
9
+22
+17
9 September, mon
+22
+17
Feels like
+17
753 mmHg
65%
4
m/s
SW
Climate normal
+19
+14
9 September, Monday. day, 22°; night, 17°; partly cloudy
10
+18
+16
10 September, tue
+18
+16
Feels like
+14
746 mmHg
83%
3.6
m/s
S
Climate normal
+20
+15
10 September, Tuesday. day, 18°; night, 16°; partly cloudy
11
+13
+7
11 September, wed
+13
+7
Feels like
+6
747 mmHg
77%
6
m/s
NW
Climate normal
+18
+14
11 September, Wednesday. day, 13°; night, 7°; partly cloudy
12
+12
+5
12 September, thu
+12
+5
Feels like
+3
753 mmHg
63%
4.1
m/s
NW
Climate normal
+18
+14
12 September, Thursday. day, 12°; night, 5°; clear
13
+16
+5
13 September, fri
+16
+5
Feels like
+6
753 mmHg
70%
2.4
m/s
NW
Climate normal
+19
+12
13 September, Friday. day, 16°; night, 5°; clear
14
+18
+13
14 September, sat
+18
+13
Feels like
+11
750 mmHg
65%
3.4
m/s
SW
Climate normal
+18
+14
14 September, Saturday. day, 18°; night, 13°; light rain
15
+20
+14
15 September, sun
+20
+14
Feels like
+14
746 mmHg
74%
4
m/s
W
Climate normal
+15
+13
15 September, Sunday. day, 20°; night, 14°; clear
16
+13
+7
16 September, mon
+13
+7
Feels like
+9
746 mmHg
77%
3.5
m/s
N
Climate normal
+17
+10
16 September, Monday. day, 13°; night, 7°; partly cloudy
17
+14
+8
17 September, tue
+14
+8
Feels like
+7
748 mmHg
65%
2.6
m/s
N
Climate normal
+18
+12
17 September, Tuesday. day, 14°; night, 8°; rain
18
+14
+10
18 September, wed
+14
+10
Feels like
+9
748 mmHg
68%
3.1
m/s
NE
Climate normal
+18
+12
18 September, Wednesday. day, 14°; night, 10°; partly cloudy
19
+16
+11
19 September, thu
+16
+11
Feels like
+10
750 mmHg
65%
2.6
m/s
NE
Climate normal
+19
+12
19 September, Thursday. day, 16°; night, 11°; light rain
20
+16
+8
20 September, fri
+16
+8
Feels like
+9
751 mmHg
66%
3.3
m/s
NE
Climate normal
+19
+14
20 September, Friday. day, 16°; night, 8°; partly cloudy
21
+16
+6
21 September, sat
+16
+6
Feels like
+9
751 mmHg
73%
2
m/s
SW
Climate normal
+18
+14
21 September, Saturday. day, 16°; night, 6°; light rain
22
+19
+13
22 September, sun
+19
+13
Feels like
+12
749 mmHg
69%
2.4
m/s
E
Climate normal
+18
+13
22 September, Sunday. day, 19°; night, 13°; light rain
23
+15
+13
23 September, mon
+15
+13
Feels like
+11
747 mmHg
86%
5.4
m/s
NE
Climate normal
+18
+12
23 September, Monday. day, 15°; night, 13°; light rain
24
+14
+13
24 September, tue
+14
+13
Feels like
+11
748 mmHg
94%
3.6
m/s
E
Climate normal
+18
+13
24 September, Tuesday. day, 14°; night, 13°; overcast
25
+17
+10
25 September, wed
+17
+10
Feels like
+11
748 mmHg
84%
2.5
m/s
E
Climate normal
+18
+13
25 September, Wednesday. day, 17°; night, 10°; partly cloudy
26
+19
+11
26 September, thu
+19
+11
Feels like
+14
746 mmHg
75%
2.1
m/s
SE
Climate normal
+20
+14
26 September, Thursday. day, 19°; night, 11°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
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
12
sunny days
6
days with precipitation
12
cloudy days
12 sunny days; 6 days with precipitation; 12 cloudy days;
70
%
air humidity
4
m/s
Wind
SW
30
mm of precipitation
(3% of annual average)
air humidity 70%; 30 millimeters of precipitation (3% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
NE
S
SW
SW
NW
W
SW
SW
SW
W
SW
SW
S
NW
NW
NW
SW
W
N
N
NE
NE
NE
SW
E
NE
E
E
SE
28
Average data for 10 years
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
25
26
Daytime temperature
Night-time temperature
