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Weather Ottawa: Current forecast

Ottawa / Ontario / Canada

12.8 °C
Feels like 8.5 °C
Min 3 °C / Max 13 °C
Weather Ottawa: Patchy rain possible, 13 °C Patchy rain possible
11.9 mph W
Wind
23.2 mph W
Gusts
1018 hPa
Pressure
0 mm
Precipitation
54 %
Humidity
2.1
UV index

Pollen (today)

Hazel None
Alder None
Birch None
Oak None
Grass None
Mugwort None
Ragweed None
07:11 / 18:28
Sunrise / Sunset
05:49 / 17:43
Moonrise / Moonset
New Moon (1 %)
Moon phase

Updated: Oct 9, 2026, 19:10 CEST Oct 9, 2026, 13:10 EDT

Today's Summary

Right now Ottawa has patchy rain possible weather. The thermometer currently shows 12.8°C. With wind from the west, it feels noticeably colder, around 8.5°C. Rain is possible – best pack an umbrella if you're heading out. During the day temperatures will range between 2.6°C and 12.8°C.

Hourly forecast – Ottawa, today

Oct 9, 13:00
10 °C
Partly cloudy
Ottawa Oct 9, 13:00: Partly cloudy, 10 °C
Oct 9, 14:00
11 °C
Cloudy
Ottawa Oct 9, 14:00: Cloudy, 11 °C
Oct 9, 15:00
10 °C
Sunny
Ottawa Oct 9, 15:00: Sunny, 10 °C
Oct 9, 16:00
8 °C
Sunny
Ottawa Oct 9, 16:00: Sunny, 8 °C
Oct 9, 17:00
6 °C
Partly cloudy
Ottawa Oct 9, 17:00: Partly cloudy, 6 °C
Oct 9, 18:00
6 °C
Clear
Ottawa Oct 9, 18:00: Clear, 6 °C
Oct 9, 19:00
5 °C
Clear
Ottawa Oct 9, 19:00: Clear, 5 °C
Oct 9, 20:00
4 °C
Clear
Ottawa Oct 9, 20:00: Clear, 4 °C
Oct 9, 21:00
3 °C
Clear
Ottawa Oct 9, 21:00: Clear, 3 °C
Oct 9, 22:00
2 °C
Clear
Ottawa Oct 9, 22:00: Clear, 2 °C
Oct 9, 23:00
2 °C
Clear
Ottawa Oct 9, 23:00: Clear, 2 °C
Oct 10, 00:00
2 °C
Clear
Ottawa Oct 10, 00:00: Clear, 2 °C
Oct 10, 01:00
2 °C
Clear
Ottawa Oct 10, 01:00: Clear, 2 °C
Oct 10, 02:00
1 °C
Clear
Ottawa Oct 10, 02:00: Clear, 1 °C
Oct 10, 03:00
1 °C
Clear
Ottawa Oct 10, 03:00: Clear, 1 °C
Oct 10, 04:00
1 °C
Clear
Ottawa Oct 10, 04:00: Clear, 1 °C
Oct 10, 05:00
1 °C
Clear
Ottawa Oct 10, 05:00: Clear, 1 °C
Oct 10, 06:00
2 °C
Sunny
Ottawa Oct 10, 06:00: Sunny, 2 °C
Oct 10, 07:00
5 °C
Sunny
Ottawa Oct 10, 07:00: Sunny, 5 °C
Oct 10, 08:00
8 °C
Sunny
Ottawa Oct 10, 08:00: Sunny, 8 °C
Oct 10, 09:00
10 °C
Sunny
Ottawa Oct 10, 09:00: Sunny, 10 °C
Oct 10, 10:00
10 °C
Sunny
Ottawa Oct 10, 10:00: Sunny, 10 °C
Oct 10, 11:00
12 °C
Sunny
Ottawa Oct 10, 11:00: Sunny, 12 °C
Oct 10, 12:00
13 °C
Sunny
Ottawa Oct 10, 12:00: Sunny, 13 °C
Time
13
14
15
16
17
18
19
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
Ottawa Oct 9, 13:00: Partly cloudy
Ottawa Oct 9, 14:00: Cloudy
Ottawa Oct 9, 15:00: Sunny
Ottawa Oct 9, 16:00: Sunny
Ottawa Oct 9, 17:00: Partly cloudy
Ottawa Oct 9, 18:00: Clear
Ottawa Oct 9, 19:00: Clear
Ottawa Oct 9, 20:00: Clear
Ottawa Oct 9, 21:00: Clear
Ottawa Oct 9, 22:00: Clear
Ottawa Oct 9, 23:00: Clear
Ottawa Oct 10, 00:00: Clear
Ottawa Oct 10, 01:00: Clear
Ottawa Oct 10, 02:00: Clear
Ottawa Oct 10, 03:00: Clear
Ottawa Oct 10, 04:00: Clear
Ottawa Oct 10, 05:00: Clear
Ottawa Oct 10, 06:00: Sunny
Ottawa Oct 10, 07:00: Sunny
Ottawa Oct 10, 08:00: Sunny
Ottawa Oct 10, 09:00: Sunny
Ottawa Oct 10, 10:00: Sunny
Ottawa Oct 10, 11:00: Sunny
Ottawa Oct 10, 12:00: Sunny
Temperature (°C)
Chance of rain (%)
13
14
7
8
12
9
8
10
11
11
11
11
11
11
12
12
12
10
5
3
2
2
2
1
Precipitation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Wind (mph)
NW
9
NW
12
NW
11
NW
9
WNW
8
NW
8
NW
7
WNW
5
W
5
WNW
5
NW
5
NW
5
WNW
4
WNW
4
NW
3
W
2
WNW
3
WNW
2
WNW
1
N
1
SSW
2
SSW
5
SSW
4
SSW
4
Pressure (hPa)
1018
1018
1019
1021
1022
1023
1024
1025
1026
1027
1027
1028
1028
1029
1029
1031
1032
1032
1033
1033
1033
1033
1033
1032
Humidity (%)
81 %
72 %
74 %
77 %
80 %
78 %
76 %
81 %
83 %
83 %
83 %
83 %
84 %
84 %
85 %
85 %
85 %
79 %
66 %
57 %
51 %
47 %
45 %
43 %
Cloud cover (%)
37 %
71 %
5 %
2 %
27 %
9 %
5 %
5 %
0 %
6 %
6 %
1 %
0 %
0 %
5 %
5 %
5 %
5 %
0 %
4 %
5 %
1 %
5 %
0 %

14-day weather forecast – Ottawa

14-day trend for Ottawa: Forecasts suggest a marked cooldown in the second week. Lows can drop to around -2.2°C at night, with daytime highs up to 22°C.

Date
Oct 9
Oct 10
Oct 11
Oct 12
Oct 13
Oct 14
Oct 15
Oct 16
Oct 17
Oct 18
Oct 19
Oct 20
Oct 21
Oct 22
Ottawa October 9, 2026: Overcast
Ottawa October 10, 2026: Sunny
Ottawa October 11, 2026: Overcast
Ottawa October 12, 2026: Overcast
Ottawa October 13, 2026: Patchy rain possible
Ottawa October 14, 2026: Sunny
Ottawa October 15, 2026: Sunny
Ottawa October 16, 2026: Overcast
Ottawa October 17, 2026: Sunny
Ottawa October 18, 2026: Sunny
Ottawa October 19, 2026: Sunny
Ottawa October 20, 2026: Sunny
Ottawa October 21, 2026: Overcast
Ottawa October 22, 2026: Overcast
Temperature (°C)
Chance of rain (%)
39
6
18
22
93
9
7
87
18
6
6
9
12
23
Precipitation
0.4 mm
—
—
0 mm
30.8 mm
0 mm
—
7.6 mm
0.2 mm
—
—
—
—
—
Wind max (mph)
13
5
14
9
13
14
5
20
17
11
6
5
9
9
Date Weather Min °C Max °C Sunrise Sunset Moonrise Moonset Moon phase
October 9, 2026 Ottawa October 9, 2026: Overcast Overcast 3 °C 13 °C 07:11 18:28 05:49 17:43 New Moon (1 %)
October 10, 2026 Ottawa October 10, 2026: Sunny Sunny 1 °C 13 °C 07:12 18:26 07:09 18:04 New Moon (0 %)
October 11, 2026 Ottawa October 11, 2026: Overcast Overcast 4 °C 19 °C 07:13 18:25 08:27 18:28 New Moon (1 %)
October 12, 2026 Ottawa October 12, 2026: Overcast Overcast 11 °C 22 °C 07:15 18:23 09:46 18:56 Waxing Crescent (5 %)
October 13, 2026 Ottawa October 13, 2026: Patchy rain possible Patchy rain possible 8 °C 18 °C 07:16 18:21 11:02 19:31 Waxing Crescent (11 %)
October 14, 2026 Ottawa October 14, 2026: Sunny Sunny 3 °C 10 °C 07:17 18:19 12:11 20:15 Waxing Crescent (18 %)
October 15, 2026 Ottawa October 15, 2026: Sunny Sunny 2 °C 11 °C 07:19 18:17 13:12 21:07 Waxing Crescent (27 %)
October 16, 2026 Ottawa October 16, 2026: Overcast Overcast 3 °C 16 °C 07:20 18:16 14:00 22:07 First Quarter (37 %)
October 17, 2026 Ottawa October 17, 2026: Sunny Sunny 2 °C 10 °C 07:21 18:14 14:39 23:12 First Quarter (47 %)
October 18, 2026 Ottawa October 18, 2026: Sunny Sunny -1 °C 6 °C 07:23 18:12 15:09 Does not set today First Quarter (58 %)
October 19, 2026 Ottawa October 19, 2026: Sunny Sunny -2 °C 8 °C 07:24 18:11 15:33 00:18 First Quarter (68 %)
October 20, 2026 Ottawa October 20, 2026: Sunny Sunny -0 °C 12 °C 07:25 18:09 15:53 01:24 Waxing Moon (77 %)
October 21, 2026 Ottawa October 21, 2026: Overcast Overcast 2 °C 14 °C 07:27 18:07 16:11 02:29 Waxing Moon (86 %)
October 22, 2026 Ottawa October 22, 2026: Overcast Overcast 6 °C 15 °C 07:28 18:05 16:27 03:34 Waxing Moon (92 %)
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