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Weather Ottawa: Current forecast

Ottawa / Ontario / Canada

18.1 °C
Feels like 18.1 °C
Min 15 °C / Max 26 °C
Weather Ottawa: Clear, 18 °C Clear
4.5 mph N
Wind
9.4 mph N
Gusts
1015 hPa
Pressure
0 mm
Precipitation
68 %
Humidity
0
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass High
Mugwort Moderate
Ragweed None
05:25 / 20:51
Sunrise / Sunset
01:43 / 18:23
Moonrise / Moonset
Waning Crescent (6 %)
Moon phase

Updated: Jul 11, 2026, 10:11 CEST Jul 11, 2026, 4:11 EDT

Today's Summary

Right now Ottawa has clear weather. The thermometer currently shows 18.1°C. Pack a light jacket for the evening. During the day temperatures will range between 14.9°C and 26.3°C.

Hourly forecast – Ottawa, today

Jul 11, 04:00
15 °C
Sunny
Ottawa Jul 11, 04:00: Sunny, 15 °C
Jul 11, 05:00
16 °C
Sunny
Ottawa Jul 11, 05:00: Sunny, 16 °C
Jul 11, 06:00
19 °C
Sunny
Ottawa Jul 11, 06:00: Sunny, 19 °C
Jul 11, 07:00
20 °C
Sunny
Ottawa Jul 11, 07:00: Sunny, 20 °C
Jul 11, 08:00
22 °C
Sunny
Ottawa Jul 11, 08:00: Sunny, 22 °C
Jul 11, 09:00
25 °C
Sunny
Ottawa Jul 11, 09:00: Sunny, 25 °C
Jul 11, 10:00
25 °C
Sunny
Ottawa Jul 11, 10:00: Sunny, 25 °C
Jul 11, 11:00
26 °C
Sunny
Ottawa Jul 11, 11:00: Sunny, 26 °C
Jul 11, 12:00
25 °C
Sunny
Ottawa Jul 11, 12:00: Sunny, 25 °C
Jul 11, 13:00
25 °C
Sunny
Ottawa Jul 11, 13:00: Sunny, 25 °C
Jul 11, 14:00
26 °C
Sunny
Ottawa Jul 11, 14:00: Sunny, 26 °C
Jul 11, 15:00
26 °C
Sunny
Ottawa Jul 11, 15:00: Sunny, 26 °C
Jul 11, 16:00
25 °C
Sunny
Ottawa Jul 11, 16:00: Sunny, 25 °C
Jul 11, 17:00
23 °C
Sunny
Ottawa Jul 11, 17:00: Sunny, 23 °C
Jul 11, 18:00
20 °C
Sunny
Ottawa Jul 11, 18:00: Sunny, 20 °C
Jul 11, 19:00
17 °C
Clear
Ottawa Jul 11, 19:00: Clear, 17 °C
Jul 11, 20:00
16 °C
Clear
Ottawa Jul 11, 20:00: Clear, 16 °C
Jul 11, 21:00
15 °C
Clear
Ottawa Jul 11, 21:00: Clear, 15 °C
Jul 11, 22:00
15 °C
Clear
Ottawa Jul 11, 22:00: Clear, 15 °C
Jul 11, 23:00
14 °C
Clear
Ottawa Jul 11, 23:00: Clear, 14 °C
Jul 12, 00:00
14 °C
Clear
Ottawa Jul 12, 00:00: Clear, 14 °C
Jul 12, 01:00
13 °C
Clear
Ottawa Jul 12, 01:00: Clear, 13 °C
Jul 12, 02:00
13 °C
Clear
Ottawa Jul 12, 02:00: Clear, 13 °C
Jul 12, 03:00
13 °C
Clear
Ottawa Jul 12, 03:00: Clear, 13 °C
Time
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
Ottawa Jul 11, 04:00: Sunny
Ottawa Jul 11, 05:00: Sunny
Ottawa Jul 11, 06:00: Sunny
Ottawa Jul 11, 07:00: Sunny
Ottawa Jul 11, 08:00: Sunny
Ottawa Jul 11, 09:00: Sunny
Ottawa Jul 11, 10:00: Sunny
Ottawa Jul 11, 11:00: Sunny
Ottawa Jul 11, 12:00: Sunny
Ottawa Jul 11, 13:00: Sunny
Ottawa Jul 11, 14:00: Sunny
Ottawa Jul 11, 15:00: Sunny
Ottawa Jul 11, 16:00: Sunny
Ottawa Jul 11, 17:00: Sunny
Ottawa Jul 11, 18:00: Sunny
Ottawa Jul 11, 19:00: Clear
Ottawa Jul 11, 20:00: Clear
Ottawa Jul 11, 21:00: Clear
Ottawa Jul 11, 22:00: Clear
Ottawa Jul 11, 23:00: Clear
Ottawa Jul 12, 00:00: Clear
Ottawa Jul 12, 01:00: Clear
Ottawa Jul 12, 02:00: Clear
Ottawa Jul 12, 03:00: Clear
Temperature (°C)
Chance of rain (%)
5
7
4
3
2
2
1
1
1
1
1
2
3
5
6
8
11
12
12
12
12
13
13
13
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
N
5
N
4
NNE
4
NNE
4
NNE
5
NNE
4
NNE
4
NNE
4
NNE
4
NNE
4
NNE
4
NE
4
ENE
3
ESE
0
W
2
NE
2
ESE
4
ESE
3
ESE
2
E
2
NE
3
N
2
NE
2
NNE
2
Pressure (hPa)
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
Humidity (%)
67 %
73 %
65 %
59 %
54 %
48 %
47 %
47 %
40 %
40 %
41 %
47 %
55 %
66 %
69 %
73 %
82 %
85 %
84 %
84 %
86 %
86 %
87 %
88 %
Cloud cover (%)
0 %
0 %
0 %
0 %
0 %
0 %
0 %
0 %
8 %
10 %
11 %
10 %
10 %
11 %
11 %
13 %
12 %
12 %
12 %
11 %
10 %
11 %
10 %
9 %

14-day weather forecast – Ottawa

14-day trend for Ottawa: Forecasts suggest a marked cooldown in the second week. Lows can drop to around 10.2°C at night, with daytime highs up to 35°C.

Date
Jul 11
Jul 12
Jul 13
Jul 14
Jul 15
Jul 16
Jul 17
Jul 18
Jul 19
Jul 20
Jul 21
Jul 22
Jul 23
Jul 24
Ottawa July 11, 2026: Sunny
Ottawa July 12, 2026: Sunny
Ottawa July 13, 2026: Sunny
Ottawa July 14, 2026: Sunny
Ottawa July 15, 2026: Partly cloudy
Ottawa July 16, 2026: Sunny
Ottawa July 17, 2026: Partly cloudy
Ottawa July 18, 2026: Partly cloudy
Ottawa July 19, 2026: Partly cloudy
Ottawa July 20, 2026: Sunny
Ottawa July 21, 2026: Sunny
Ottawa July 22, 2026: Patchy rain possible
Ottawa July 23, 2026: Sunny
Ottawa July 24, 2026: Patchy rain possible
Temperature (°C)
Chance of rain (%)
4
6
57
36
6
4
10
8
9
36
40
77
21
16
Precipitation
—
—
1.4 mm
0.4 mm
0 mm
—
—
—
—
0.5 mm
0.9 mm
5.6 mm
0.2 mm
0 mm
Wind max (mph)
5
7
14
14
16
17
11
6
6
5
5
7
10
10
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
July 11, 2026 Ottawa July 11, 2026: Sunny Sunny 15 °C 26 °C 05:25 20:51 01:43 18:23 Waning Crescent (6 %)
July 12, 2026 Ottawa July 12, 2026: Sunny Sunny 13 °C 26 °C 05:26 20:50 02:32 19:34 New Moon (2 %)
July 13, 2026 Ottawa July 13, 2026: Sunny Sunny 15 °C 30 °C 05:27 20:49 03:36 20:32 New Moon (0 %)
July 14, 2026 Ottawa July 14, 2026: Sunny Sunny 19 °C 35 °C 05:28 20:49 04:55 21:16 New Moon (1 %)
July 15, 2026 Ottawa July 15, 2026: Partly cloudy Partly cloudy 19 °C 27 °C 05:29 20:48 06:22 21:49 New Moon (3 %)
July 16, 2026 Ottawa July 16, 2026: Sunny Sunny 16 °C 26 °C 05:30 20:47 07:49 22:16 Waxing Crescent (8 %)
July 17, 2026 Ottawa July 17, 2026: Partly cloudy Partly cloudy 12 °C 21 °C 05:31 20:46 09:13 22:37 Waxing Crescent (15 %)
July 18, 2026 Ottawa July 18, 2026: Partly cloudy Partly cloudy 10 °C 21 °C 05:32 20:46 10:33 22:57 Waxing Crescent (23 %)
July 19, 2026 Ottawa July 19, 2026: Partly cloudy Partly cloudy 14 °C 23 °C 05:33 20:45 11:49 23:16 First Quarter (33 %)
July 20, 2026 Ottawa July 20, 2026: Sunny Sunny 11 °C 23 °C 05:34 20:44 13:04 23:37 First Quarter (43 %)
July 21, 2026 Ottawa July 21, 2026: Sunny Sunny 12 °C 24 °C 05:35 20:43 14:18 Does not set today First Quarter (53 %)
July 22, 2026 Ottawa July 22, 2026: Patchy rain possible Patchy rain possible 13 °C 23 °C 05:36 20:42 15:31 00:00 First Quarter (64 %)
July 23, 2026 Ottawa July 23, 2026: Sunny Sunny 14 °C 26 °C 05:37 20:41 16:41 00:27 Waxing Moon (74 %)
July 24, 2026 Ottawa July 24, 2026: Patchy rain possible Patchy rain possible 12 °C 23 °C 05:38 20:40 17:45 01:01 Waxing Moon (82 %)
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