18.1 °C
Feels like 18.1 °C
Min 11 °C / Max 20 °C
Partly cloudy
Today's Summary
If you head out in Ottawa today, you'll see a partly cloudy sky. The thermometer currently shows 18.1°C. Pack a light jacket for the evening. During the day temperatures will range between 11.3°C and 19.6°C.
Hourly forecast – Ottawa, today
May 27, 02:00
18 °C
Partly cloudy
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
May 28, 01:00
12 °C
Partly cloudy
Time
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
Temperature (°C)
Chance of rain (%)
0
0
0
0
0
0
0
0
0
0
0
71
81
81
0
0
0
0
0
0
0
0
0
0
Precipitation
Wind (mph)
NW
6
6
NW
7
7
NW
7
7
NNW
8
8
NNW
8
8
NNW
9
9
NNW
10
10
N
10
10
N
9
9
N
9
9
NNW
8
8
NNW
7
7
NW
7
7
WNW
8
8
NW
8
8
NW
6
6
NNW
7
7
NNW
8
8
NNW
8
8
NNW
8
8
NNW
8
8
NNW
8
8
NNW
9
9
NNW
9
9
Pressure (hPa)
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
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 (mph)
10
12
22
12
8
8
5
4
9
12
17
13
13
13
| Date | Weather | Min °C | Max °C | Sunrise | Sunset | Moonrise | Moonset | Moon phase |
|---|---|---|---|---|---|---|---|---|
| May 27, 2026 |
Patchy rain possible
|
11 °C | 20 °C | 05:20 | 20:39 | 17:24 | 03:06 | Waxing Moon (90 %) |
| May 28, 2026 |
Patchy rain possible
|
9 °C | 17 °C | 05:20 | 20:39 | 18:37 | 03:27 | Waxing Moon (96 %) |
| May 29, 2026 |
Patchy rain possible
|
7 °C | 13 °C | 05:19 | 20:40 | 19:49 | 03:53 | Full Moon (99 %) |
| May 30, 2026 |
Partly cloudy
|
4 °C | 19 °C | 05:18 | 20:41 | 20:57 | 04:24 | Full Moon (100 %) |
| May 31, 2026 |
Patchy rain possible
|
8 °C | 17 °C | 05:18 | 20:42 | 21:58 | 05:04 | Full Moon (99 %) |
| June 1, 2026 |
Patchy rain possible
|
7 °C | 21 °C | 05:17 | 20:43 | 22:49 | 05:52 | Waning Moon (96 %) |
| June 2, 2026 |
Sunny
|
8 °C | 23 °C | 05:17 | 20:44 | 23:30 | 06:49 | Waning Moon (90 %) |
| June 3, 2026 |
Sunny
|
10 °C | 24 °C | 05:16 | 20:45 | Does not rise today | 07:52 | Waning Moon (83 %) |
| June 4, 2026 |
Patchy rain possible
|
12 °C | 17 °C | 05:16 | 20:46 | 00:02 | 08:58 | Waning Moon (74 %) |
| June 5, 2026 |
Sunny
|
12 °C | 27 °C | 05:15 | 20:46 | 00:28 | 10:05 | Last Quarter (64 %) |
| June 6, 2026 |
Partly cloudy
|
17 °C | 27 °C | 05:15 | 20:47 | 00:49 | 11:10 | Last Quarter (54 %) |
| June 7, 2026 |
Sunny
|
12 °C | 21 °C | 05:15 | 20:48 | 01:07 | 12:16 | Last Quarter (43 %) |
| June 8, 2026 |
Sunny
|
7 °C | 15 °C | 05:14 | 20:48 | 01:23 | 13:21 | Last Quarter (33 %) |
| June 9, 2026 |
Partly cloudy
|
7 °C | 15 °C | 05:14 | 20:49 | 01:40 | 14:28 | Waning Crescent (24 %) |