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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
1 September
+23
+17
1 September, sun
+23
+17
Feels like
+23
751 mmHg
72%
4.3
m/s
W
1 September, Sunday. day, 23°; night, 17°; clear
2
+22
+17
2 September, mon
+22
+17
Feels like
+22
750 mmHg
67%
4.5
m/s
W
2 September, Monday. day, 22°; night, 17°; clear
3
September
+23
+14
3 September, tue
+23
+14
Feels like
+16
763 mmHg
55%
4.5
m/s
W
Climate normal
+22
+16
3 September, Tuesday. day, 23°; night, 14°; mostly clear
4
+25
+14
4 September, wed
+25
+14
Feels like
+20
765 mmHg
57%
4.9
m/s
SW
Climate normal
+20
+17
4 September, Wednesday. day, 25°; night, 14°; clear
5
+26
+14
5 September, thu
+26
+14
Feels like
+19
763 mmHg
59%
5.7
m/s
S
Climate normal
+21
+15
5 September, Thursday. day, 26°; night, 14°; clear
6
+25
+17
6 September, fri
+25
+17
Feels like
+19
757 mmHg
63%
5.4
m/s
S
Climate normal
+21
+16
6 September, Friday. day, 25°; night, 17°; overcast
7
+23
+12
7 September, sat
+23
+12
Feels like
+18
749 mmHg
77%
6.2
m/s
SE
Climate normal
+20
+16
7 September, Saturday. day, 23°; night, 12°; heavy rain
8
+17
+11
8 September, sun
+17
+11
Feels like
+12
752 mmHg
76%
4.3
m/s
S
Climate normal
+20
+15
8 September, Sunday. day, 17°; night, 11°; light rain
9
+16
+11
9 September, mon
+16
+11
Feels like
+11
753 mmHg
73%
4.2
m/s
SW
Climate normal
+19
+14
9 September, Monday. day, 16°; night, 11°; light rain
10
+19
+11
10 September, tue
+19
+11
Feels like
+13
755 mmHg
66%
4.2
m/s
W
Climate normal
+20
+15
10 September, Tuesday. day, 19°; night, 11°; rain
11
+21
+13
11 September, wed
+21
+13
Feels like
+16
757 mmHg
67%
4.1
m/s
W
Climate normal
+18
+14
11 September, Wednesday. day, 21°; night, 13°; light rain
12
+21
+12
12 September, thu
+21
+12
Feels like
+16
759 mmHg
67%
3.5
m/s
NW
Climate normal
+18
+14
12 September, Thursday. day, 21°; night, 12°; partly cloudy
13
+23
+12
13 September, fri
+23
+12
Feels like
+17
760 mmHg
62%
2.9
m/s
W
Climate normal
+19
+12
13 September, Friday. day, 23°; night, 12°; partly cloudy
14
+24
+14
14 September, sat
+24
+14
Feels like
+18
757 mmHg
67%
3.3
m/s
W
Climate normal
+18
+14
14 September, Saturday. day, 24°; night, 14°; partly cloudy
15
+25
+8
15 September, sun
+25
+8
Feels like
+18
755 mmHg
67%
3.2
m/s
NW
Climate normal
+15
+13
15 September, Sunday. day, 25°; night, 8°; partly cloudy
16
+11
+1
16 September, mon
+11
+1
Feels like
+2
753 mmHg
71%
3.2
m/s
NW
Climate normal
+17
+10
16 September, Monday. day, 11°; night, 1°; clear
17
+16
+18
17 September, tue
+16
+18
Feels like
+9
748 mmHg
65%
5
m/s
SE
Climate normal
+18
+12
17 September, Tuesday. day, 16°; night, 18°; clear
18
+18
+14
18 September, wed
+18
+14
Feels like
+13
742 mmHg
75%
6.8
m/s
W
Climate normal
+18
+12
18 September, Wednesday. day, 18°; night, 14°; light rain
19
+16
+10
19 September, thu
+16
+10
Feels like
+11
742 mmHg
75%
5.6
m/s
SW
Climate normal
+19
+12
19 September, Thursday. day, 16°; night, 10°; partly cloudy
20
+13
+7
20 September, fri
+13
+7
Feels like
+5
743 mmHg
61%
4.8
m/s
N
Climate normal
+19
+14
20 September, Friday. day, 13°; night, 7°; mostly clear
21
+12
+6
21 September, sat
+12
+6
Feels like
+4
747 mmHg
70%
4.1
m/s
N
Climate normal
+18
+14
21 September, Saturday. day, 12°; night, 6°; clear
22
+14
+4
22 September, sun
+14
+4
Feels like
+6
747 mmHg
76%
2.9
m/s
NW
Climate normal
+18
+13
22 September, Sunday. day, 14°; night, 4°; clear
23
+16
+8
23 September, mon
+16
+8
Feels like
+8
745 mmHg
73%
2.4
m/s
E
Climate normal
+18
+12
23 September, Monday. day, 16°; night, 8°; clear
24
+16
+9
24 September, tue
+16
+9
Feels like
+8
738 mmHg
69%
4.6
m/s
NE
Climate normal
+18
+13
24 September, Tuesday. day, 16°; night, 9°; partly cloudy
25
+16
+10
25 September, wed
+16
+10
Feels like
+9
738 mmHg
77%
3.9
m/s
NW
Climate normal
+18
+13
25 September, Wednesday. day, 16°; night, 10°; light rain
26
+14
+8
26 September, thu
+14
+8
Feels like
+8
743 mmHg
71%
4.3
m/s
NW
Climate normal
+20
+14
26 September, Thursday. day, 14°; night, 8°; partly cloudy
27
+14
+14
27 September, fri
+14
+14
Feels like
+8
742 mmHg
85%
7.2
m/s
SW
Climate normal
+18
+14
27 September, Friday. day, 14°; night, 14°; light rain
28
+15
+9
28 September, sat
+15
+9
Feels like
+8
739 mmHg
77%
4.7
m/s
W
Climate normal
+17
+14
28 September, Saturday. day, 15°; night, 9°; light rain
29
+12
+9
29 September, sun
+12
+9
Feels like
+5
743 mmHg
80%
6.4
m/s
NW
Climate normal
+14
+10
29 September, Sunday. day, 12°; night, 9°; partly cloudy
30
+11
+8
30 September, mon
+11
+8
Feels like
+6
747 mmHg
69%
2.9
m/s
W
Climate normal
+14
+10
30 September, Monday. day, 11°; night, 8°; partly cloudy
1 October
+13
+10
1 October, tue
+13
+10
Feels like
+6
746 mmHg
66%
4.1
m/s
SW
Climate normal
+14
+10
1 October, Tuesday. day, 13°; night, 10°; partly cloudy
2
+13
+10
2 October, wed
+13
+10
Feels like
+5
739 mmHg
78%
9.1
m/s
SW
Climate normal
+14
+10
2 October, Wednesday. day, 13°; night, 10°; rain
Average data for 10 years
Next, the average data for 10 years
3
+15
+11
3 October, thu
+15
+11
Feels like
+12
752 mmHg
77%
5.5
m/s
S
3 October, Thursday. day, 15°; night, 11°; overcast
4
+14
+11
4 October, fri
+14
+11
Feels like
+12
753 mmHg
68%
5
m/s
W
4 October, Friday. day, 14°; night, 11°; partly cloudy
5
+13
+10
5 October, sat
+13
+10
Feels like
+10
752 mmHg
75%
4.8
m/s
S
5 October, Saturday. day, 13°; night, 10°; rain
Average for 30 days
10
sunny days
9
days with precipitation
11
cloudy days
10 sunny days; 9 days with precipitation; 11 cloudy days;
70
%
air humidity
4.6
m/s
Wind
W
26
mm of precipitation
(3% of annual average)
air humidity 70%; 26 millimeters of precipitation (3% of annual average); Wind westerly 4.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
S
S
SE
S
SW
W
W
NW
W
W
NW
NW
SE
W
SW
N
N
NW
E
NE
NW
NW
SW
W
NW
W
SW
SW
3
Average data for 10 years
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
Daytime temperature
Night-time temperature
