Ottawa, Canada 14-Day Forecast
Canada 🇨🇦
72°
Partly cloudy right now
Today: high 82°, low 55°
Updated 13 min ago
Ottawa weather for the next 14 days
Saturday, July 18
Patchy rain nearby High 81° Low 57°Precipitation
81%
· 0.42 in
Max wind
19 mph
Humidity
80%
UV index
1 - Low
Sunrise / sunset
05:32 AM / 08:46 PM
Sunday, July 19
Sunny High 76° Low 54°Precipitation
4%
· 0.0 in
Max wind
15 mph
Humidity
56%
UV index
7 - High
Sunrise / sunset
05:33 AM / 08:45 PM
Monday, July 20
Sunny High 81° Low 53°Precipitation
3%
· 0.0 in
Max wind
14 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
05:34 AM / 08:44 PM
Tuesday, July 21
Patchy rain nearby High 77° Low 58°Precipitation
79%
· 0.24 in
Max wind
17 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:35 AM / 08:43 PM
Wednesday, July 22
Patchy rain nearby High 66° Low 54°Precipitation
67%
· 0.06 in
Max wind
12 mph
Humidity
83%
UV index
5 - Moderate
Sunrise / sunset
05:36 AM / 08:42 PM
Thursday, July 23
Sunny High 77° Low 54°Precipitation
22%
· 0.01 in
Max wind
11 mph
Humidity
62%
UV index
7 - High
Sunrise / sunset
05:37 AM / 08:41 PM
Friday, July 24
Partly Cloudy High 75° Low 51°Precipitation
70%
· 0.22 in
Max wind
13 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
05:38 AM / 08:40 PM
Saturday, July 25
Partly Cloudy High 66° Low 46°Precipitation
8%
· 0.0 in
Max wind
11 mph
Humidity
70%
UV index
5 - Moderate
Sunrise / sunset
05:39 AM / 08:39 PM
Sunday, July 26
Partly Cloudy High 70° Low 45°Precipitation
7%
· 0.0 in
Max wind
8 mph
Humidity
67%
UV index
6 - High
Sunrise / sunset
05:40 AM / 08:38 PM
Monday, July 27
Sunny High 77° Low 57°Precipitation
4%
· 0.0 in
Max wind
5 mph
Humidity
59%
UV index
7 - High
Sunrise / sunset
05:41 AM / 08:37 PM
Tuesday, July 28
Sunny High 81° Low 55°Precipitation
5%
· 0.0 in
Max wind
6 mph
Humidity
67%
UV index
7 - High
Sunrise / sunset
05:42 AM / 08:36 PM
Wednesday, July 29
Sunny High 83° Low 58°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
05:43 AM / 08:34 PM
Thursday, July 30
Sunny High 79° Low 62°Precipitation
80%
· 0.53 in
Max wind
13 mph
Humidity
81%
UV index
7 - High
Sunrise / sunset
05:44 AM / 08:33 PM
Ottawa 14-day outlook: the story
The warmest day of Ottawa's 14-day outlook is Wednesday, July 29 with a high near 83°F (28°C); the coolest night comes Sunday, July 26, dipping to 45°F (7°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 77°F (25°C), about 3°F (2°C) below the typical July high of 80°F (27°C).
Precipitation is most likely on Saturday 18, Tuesday 21, Wednesday 22, Friday 24 and beyond; the wettest day looks like Thursday, July 30 with about 0.53 in (13.5 mm) expected. For the weekend, expect Saturday 81°F (27°C) and patchy rain nearby / Sunday 76°F (24°C) and sunny.
For typical conditions month by month, see the Ottawa climate & average temperatures guide.
Ottawa forecast questions
Will it rain in Ottawa this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Thursday, July 30.
What will be the warmest day in Ottawa over the next 14 days?
Wednesday, July 29, with a forecast high near 83°F (28°C).
How accurate is a 14-day forecast for Ottawa?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Ottawa by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 25° | 8° | 11 | 3.0 in | 4.9 h/day | 76% |
| February | 28° | 9° | 12 | 2.9 in | 6.1 h/day | 73% |
| March | 37° | 20° | 11 | 3.0 in | 7.5 h/day | 70% |
| April | 51° | 32° | 13 | 4.2 in | 8.2 h/day | 66% |
| May | 67° | 46° | 11 | 3.4 in | 10.4 h/day | 66% |
| June | 74° | 56° | 13 | 4.5 in | 10.8 h/day | 71% |
| July | 80° | 63° | 13 | 4.2 in | 12.0 h/day | 72% |
| August | 77° | 62° | 13 | 4.8 in | 10.8 h/day | 76% |
| September | 71° | 55° | 9 | 3.0 in | 9.5 h/day | 76% |
| October | 57° | 44° | 12 | 4.1 in | 6.4 h/day | 77% |
| November | 43° | 31° | 12 | 3.0 in | 5.0 h/day | 76% |
| December | 32° | 20° | 12 | 3.5 in | 3.8 h/day | 78% |
14-day forecasts nearby