Ottawa (Canada) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 9° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 11° Celsius;
Sunny intervals changing to thunder showers by lunchtime.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Ottawa
Today (4 September 2025)
| Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
|
|
|
 |
 |
|
 |
|
|
|
 |
 |
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
<5%
|
10%
|
20%
|
30%
|
80%
|
70%
|
≥95%
|
≥95%
|
90%
|
90%
|
40%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature |
17°
|
17°
|
17°
|
18°
|
19°
|
20°
|
21°
|
23°
|
23°
|
21°
|
21°
|
19°
|
18°
|
16°
|
14°
|
13°
|
13°
|
12°
|
12°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
17°
|
18°
|
19°
|
19°
|
21°
|
21°
|
20°
|
20°
|
19°
|
18°
|
15°
|
12°
|
12°
|
12°
|
11°
|
11°
|
| Wind direction and speed |
SSE
8
|
SSE
8
|
SSE
8
|
SSE
8
|
SSE
8
|
SSE
10
|
SSE
10
|
S
11
|
S
12
|
S
11
|
SSW
10
|
SSW
8
|
SSW
8
|
W
11
|
WNW
10
|
WNW
8
|
WNW
6
|
W
5
|
W
4
|
| Wind gust (mph) |
17
|
17
|
17
|
20
|
23
|
24
|
26
|
29
|
28
|
26
|
23
|
20
|
24
|
26
|
22
|
17
|
13
|
10
|
8
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
P
|
P
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
66%
|
67%
|
67%
|
65%
|
64%
|
61%
|
57%
|
62%
|
73%
|
83%
|
92%
|
95%
|
94%
|
89%
|
86%
|
86%
|
87%
|
88%
|
| UV | - | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 1 | 4 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (5 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
12°
|
13°
|
15°
|
17°
|
19°
|
20°
|
21°
|
21°
|
22°
|
22°
|
21°
|
21°
|
20°
|
18°
|
| Feels like temperature (°C) |
11°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
11°
|
12°
|
14°
|
15°
|
16°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
| Wind direction and speed (mph) |
W
4
|
WSW
3
|
SW
3
|
SSW
3
|
S
3
|
S
3
|
SSE
4
|
SSE
4
|
SE
4
|
SE
5
|
SSE
7
|
SSE
8
|
S
10
|
S
11
|
S
12
|
SSW
13
|
SSW
14
|
SSW
14
|
SSW
12
|
SSW
11
|
SSW
11
|
WSW
8
|
| Wind gust (mph) |
7
|
6
|
6
|
6
|
6
|
7
|
8
|
10
|
13
|
17
|
21
|
24
|
26
|
29
|
31
|
32
|
33
|
31
|
27
|
25
|
24
|
18
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
90%
|
92%
|
91%
|
92%
|
93%
|
92%
|
93%
|
93%
|
88%
|
79%
|
69%
|
57%
|
49%
|
43%
|
43%
|
43%
|
41%
|
42%
|
46%
|
52%
|
54%
|
65%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 6 | 7 | 6 | 4 | 3 | 1 | 1 | 1 | - | - |
Saturday (6 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
16°
|
14°
|
14°
|
17°
|
19°
|
19°
|
17°
|
15°
|
| Feels like temperature (°C) |
15°
|
13°
|
14°
|
16°
|
17°
|
16°
|
16°
|
14°
|
| Wind direction and speed (mph) |
WSW
6
|
SW
5
|
SW
5
|
WSW
8
|
SW
10
|
WSW
10
|
WSW
6
|
WSW
6
|
| Wind gust (mph) |
13
|
11
|
19
|
24
|
24
|
22
|
14
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
80%
|
81%
|
62%
|
46%
|
45%
|
56%
|
67%
|
| UV | - | - | 1 | 3 | 3 | 1 | - | - |
Sunday (7 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
20%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
13°
|
12°
|
12°
|
15°
|
17°
|
17°
|
14°
|
12°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
14°
|
15°
|
15°
|
13°
|
12°
|
| Wind direction and speed (mph) |
WSW
5
|
WSW
5
|
WSW
4
|
W
7
|
W
9
|
W
8
|
W
6
|
WNW
5
|
| Wind gust (mph) |
13
|
12
|
18
|
22
|
23
|
19
|
12
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
81%
|
79%
|
63%
|
47%
|
50%
|
64%
|
74%
|
| UV | - | - | 1 | 4 | 4 | 1 | - | - |
Monday (8 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
10°
|
11°
|
14°
|
16°
|
16°
|
14°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
10°
|
13°
|
14°
|
14°
|
13°
|
12°
|
| Wind direction and speed (mph) |
WNW
5
|
WNW
5
|
WNW
5
|
NW
7
|
WNW
7
|
WNW
8
|
WNW
5
|
WNW
4
|
| Wind gust (mph) |
12
|
12
|
17
|
21
|
21
|
18
|
10
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
84%
|
82%
|
58%
|
44%
|
42%
|
56%
|
71%
|
| UV | - | - | 1 | 5 | 3 | 1 | - | - |
Tuesday (9 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
11°
|
15°
|
18°
|
19°
|
16°
|
14°
|
| Feels like temperature (°C) |
11°
|
10°
|
11°
|
14°
|
17°
|
18°
|
15°
|
14°
|
| Wind direction and speed (mph) |
WNW
3
|
WNW
3
|
WSW
3
|
SW
4
|
WSW
6
|
WSW
5
|
SW
5
|
SW
5
|
| Wind gust (mph) |
6
|
7
|
13
|
18
|
18
|
15
|
11
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
77%
|
82%
|
81%
|
54%
|
41%
|
41%
|
55%
|
66%
|
| UV | - | - | 1 | 6 | 5 | 1 | - | - |
Wednesday (10 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
10°
|
11°
|
17°
|
21°
|
21°
|
18°
|
15°
|
| Feels like temperature (°C) |
12°
|
10°
|
11°
|
16°
|
19°
|
20°
|
17°
|
15°
|
| Wind direction and speed (mph) |
SSW
3
|
SW
3
|
S
3
|
SW
3
|
WSW
4
|
W
4
|
W
4
|
WSW
3
|
| Wind gust (mph) |
6
|
6
|
11
|
14
|
14
|
11
|
8
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
84%
|
81%
|
59%
|
44%
|
44%
|
63%
|
74%
|
| UV | - | - | 1 | 6 | 5 | 1 | - | - |
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Forecast for 05:00 (UTC-4), Thu
Updated 07:23 (UTC+1) on Thu 4 Sep 2025
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