Ottawa, Canada 14-Day Forecast
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49°
Overcast right now
Today: high 54°, low 40°
Updated 6 hours ago
Ottawa weather for the next 14 days
Tuesday, October 6
Sunny High 53° Low 37°Precipitation
5%
· 0.0 in
Max wind
13 mph
Humidity
56%
UV index
3 - Moderate
Sunrise / sunset
07:07 AM / 06:34 PM
Wednesday, October 7
Overcast High 60° Low 38°Precipitation
74%
· 0.11 in
Max wind
12 mph
Humidity
77%
UV index
2 - Low
Sunrise / sunset
07:08 AM / 06:32 PM
Thursday, October 8
Sunny High 63° Low 44°Precipitation
25%
· 0.01 in
Max wind
15 mph
Humidity
74%
UV index
3 - Moderate
Sunrise / sunset
07:10 AM / 06:30 PM
Friday, October 9
Sunny High 55° Low 38°Precipitation
22%
· 0.01 in
Max wind
14 mph
Humidity
71%
UV index
4 - Moderate
Sunrise / sunset
07:11 AM / 06:28 PM
Saturday, October 10
Sunny High 52° Low 34°Precipitation
5%
· 0.0 in
Max wind
7 mph
Humidity
67%
UV index
4 - Moderate
Sunrise / sunset
07:12 AM / 06:26 PM
Sunday, October 11
Sunny High 72° Low 39°Precipitation
7%
· 0.0 in
Max wind
16 mph
Humidity
64%
UV index
6 - High
Sunrise / sunset
07:13 AM / 06:25 PM
Monday, October 12
Patchy rain nearby High 64° Low 38°Precipitation
83%
· 0.22 in
Max wind
13 mph
Humidity
86%
UV index
3 - Moderate
Sunrise / sunset
07:15 AM / 06:23 PM
Tuesday, October 13
Patchy rain nearby High 38° Low 34°Precipitation
88%
· 0.23 in
Max wind
8 mph
Humidity
89%
UV index
1 - Low
Sunrise / sunset
07:16 AM / 06:21 PM
Wednesday, October 14
Fog High 46° Low 36°Precipitation
95%
· 0.95 in
Max wind
14 mph
Humidity
97%
UV index
2 - Low
Sunrise / sunset
07:17 AM / 06:19 PM
Thursday, October 15
Sunny High 41° Low 27°Precipitation
11%
· 0.0 in
Max wind
16 mph
Humidity
70%
UV index
3 - Moderate
Sunrise / sunset
07:19 AM / 06:17 PM
Friday, October 16
Sunny High 49° Low 28°Precipitation
10%
· 0.0 in
Max wind
14 mph
Humidity
69%
UV index
3 - Moderate
Sunrise / sunset
07:20 AM / 06:16 PM
Saturday, October 17
Sunny High 48° Low 34°Precipitation
10%
· 0.0 in
Max wind
6 mph
Humidity
75%
UV index
3 - Moderate
Sunrise / sunset
07:21 AM / 06:14 PM
Sunday, October 18
Overcast High 52° Low 33°Precipitation
22%
· 0.0 in
Max wind
5 mph
Humidity
81%
UV index
3 - Moderate
Sunrise / sunset
07:23 AM / 06:12 PM
Ottawa 14-day outlook: the story
The warmest day of Ottawa's 14-day outlook is Sunday, October 11 with a high near 72°F (22°C); the coolest night comes Thursday, October 15, dipping to 27°F (-3°C). The trend points cooler: week two runs about 10°F below week one. Highs over the next two weeks average 58°F (15°C), right in line with the typical October high of 57°F (14°C).
Precipitation is most likely on Wednesday 7, Monday 12, Tuesday 13, Wednesday 14; the wettest day looks like Wednesday, October 14 with about 0.95 in (24.2 mm) expected. For the weekend, expect Saturday 52°F (11°C) and sunny / Sunday 72°F (22°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 4 of the next 14 days, peaking around Wednesday, October 14.
What will be the warmest day in Ottawa over the next 14 days?
Sunday, October 11, with a forecast high near 72°F (22°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 | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 25° | 8° | 11 | 3.0 in | 4.9 h/day | 9.1 h | 36% | 76% |
| February | 28° | 9° | 12 | 2.9 in | 6.1 h/day | 10.3 h | 41% | 73% |
| March | 37° | 20° | 11 | 3.0 in | 7.5 h/day | 11.8 h | 36% | 70% |
| April | 51° | 32° | 13 | 4.2 in | 8.2 h/day | 13.5 h | 42% | 66% |
| May | 67° | 46° | 11 | 3.4 in | 10.4 h/day | 14.9 h | 35% | 66% |
| June | 74° | 56° | 13 | 4.5 in | 10.8 h/day | 15.6 h | 43% | 71% |
| July | 80° | 63° | 13 | 4.2 in | 12.0 h/day | 15.3 h | 41% | 72% |
| August | 77° | 62° | 13 | 4.8 in | 10.8 h/day | 14.1 h | 41% | 76% |
| September | 71° | 55° | 9 | 3.0 in | 9.5 h/day | 12.5 h | 30% | 76% |
| October | 57° | 44° | 12 | 4.1 in | 6.4 h/day | 10.8 h | 37% | 77% |
| November | 43° | 31° | 12 | 3.0 in | 5.0 h/day | 9.4 h | 40% | 76% |
| December | 32° | 20° | 12 | 3.5 in | 3.8 h/day | 8.7 h | 40% | 78% |
14-day forecasts nearby