Today's Summary
In Ottawa the weather today is partly cloudy. The thermometer currently shows 18.3°C. Take an umbrella with you today – you'll probably need it. During the day temperatures will range between 11.3°C and 19.6°C.
Hourly forecast – Ottawa, today
May 27, 01:00
18 °C
Partly cloudy
May 27, 02:00
18 °C
Clear
May 27, 03:00
17 °C
Clear
May 27, 04:00
16 °C
Clear
May 27, 05:00
15 °C
Clear
May 27, 06:00
14 °C
Sunny
May 27, 07:00
14 °C
Sunny
May 27, 08:00
15 °C
Sunny
May 27, 09:00
16 °C
Sunny
May 27, 10:00
17 °C
Sunny
May 27, 11:00
18 °C
Sunny
May 27, 12:00
19 °C
Partly cloudy
May 27, 13:00
19 °C
Patchy rain possible
May 27, 14:00
18 °C
Patchy rain possible
May 27, 15:00
17 °C
Patchy rain possible
May 27, 16:00
17 °C
Partly cloudy
May 27, 17:00
17 °C
Partly cloudy
May 27, 18:00
16 °C
Sunny
May 27, 19:00
15 °C
Sunny
May 27, 20:00
14 °C
Partly cloudy
May 27, 21:00
13 °C
Partly cloudy
May 27, 22:00
12 °C
Partly cloudy
May 27, 23:00
12 °C
Partly cloudy
May 28, 00:00
12 °C
Partly cloudy
Time
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
0
71
81
81
0
0
0
0
0
0
0
0
0
Precipitation
Wind (km/h)
WNW
16
16
NW
10
10
NW
11
11
NW
12
12
NNW
12
12
NNW
13
13
NNW
14
14
NNW
16
16
N
16
16
N
15
15
N
14
14
NNW
13
13
NNW
12
12
NW
11
11
WNW
12
12
NW
13
13
NW
10
10
NNW
11
11
NNW
13
13
NNW
13
13
NNW
12
12
NNW
13
13
NNW
13
13
NNW
14
14
Pressure (hPa)
1009
1010
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
Humidity (%)
Cloud cover (%)
14-day weather forecast – Ottawa
14-day trend for Ottawa: The second week looks noticeably warmer and more pleasant. Lows can drop to around 4.1°C at night, with daytime highs up to 27°C.
Date
May 27
May 28
May 29
May 30
May 31
Jun 1
Jun 2
Jun 3
Jun 4
Jun 5
Jun 6
Jun 7
Jun 8
Jun 9
Temperature (°C)
Chance of rain (%)
81
81
89
0
80
88
0
0
72
0
0
0
0
0
Precipitation
Wind max (km/h)
16
19
36
19
12
13
8
7
14
20
27
21
22
21
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| May 27, 2026 |
|
11 °C | 20 °C | 05:20 | 20:39 | 17:24 | 03:06 | Waxing Moon (90 %) |
| May 28, 2026 |
|
9 °C | 17 °C | 05:20 | 20:39 | 18:37 | 03:27 | Waxing Moon (96 %) |
| May 29, 2026 |
|
7 °C | 13 °C | 05:19 | 20:40 | 19:49 | 03:53 | Full Moon (99 %) |
| May 30, 2026 |
|
4 °C | 19 °C | 05:18 | 20:41 | 20:57 | 04:24 | Full Moon (100 %) |
| May 31, 2026 |
|
8 °C | 17 °C | 05:18 | 20:42 | 21:58 | 05:04 | Full Moon (99 %) |
| June 1, 2026 |
|
7 °C | 21 °C | 05:17 | 20:43 | 22:49 | 05:52 | Waning Moon (96 %) |
| June 2, 2026 |
|
8 °C | 23 °C | 05:17 | 20:44 | 23:30 | 06:49 | Waning Moon (90 %) |
| June 3, 2026 |
|
10 °C | 24 °C | 05:16 | 20:45 | Does not rise today | 07:52 | Waning Moon (83 %) |
| June 4, 2026 |
|
12 °C | 17 °C | 05:16 | 20:46 | 00:02 | 08:58 | Waning Moon (74 %) |
| June 5, 2026 |
|
12 °C | 27 °C | 05:15 | 20:46 | 00:28 | 10:05 | Last Quarter (64 %) |
| June 6, 2026 |
|
17 °C | 27 °C | 05:15 | 20:47 | 00:49 | 11:10 | Last Quarter (54 %) |
| June 7, 2026 |
|
12 °C | 21 °C | 05:15 | 20:48 | 01:07 | 12:16 | Last Quarter (43 %) |
| June 8, 2026 |
|
7 °C | 15 °C | 05:14 | 20:48 | 01:23 | 13:21 | Last Quarter (33 %) |
| June 9, 2026 |
|
7 °C | 15 °C | 05:14 | 20:49 | 01:40 | 14:28 | Waning Crescent (24 %) |