Forecast Monster
Monday, August 18, 2025 at 3:00 PM
21°C
High: 20°C
Low: 12°C
Wind
2mph
Gusts
6mph
Cloud Cover
79%
UV Index
3
Humidity
43%
Precipitation
10%
Sunrise
5:07AM
Sunset
7:04PM
3:00PM
Mostly cloudy
4:00PM
Mostly cloudy
5:00PM
Cloudy
6:00PM
Cloudy
7:00PM
Cloudy
8:00PM
Cloudy
9:00PM
Cloudy
10:00PM
Cloudy
11:00PM
Cloudy
12:00AM
Cloudy
1:00AM
Mostly cloudy
2:00AM
Cloudy
3:00AM
Mostly cloudy
4:00AM
Mostly cloudy
5:00AM
Mostly cloudy
6:00AM
Mostly cloudy
7:00AM
Mostly cloudy
8:00AM
Partly sunny
9:00AM
Partly sunny
10:00AM
Mostly cloudy
11:00AM
Mostly cloudy
12:00PM
Mostly cloudy
1:00PM
Mostly cloudy
2:00PM
Cloudy
Find a detailed, 10-day weather forecast for Ottawa, Canada below. Click the row to expand the forecast for that day and night.
Cloudy
High: 21°C
Low: 12°C
Humidity: 53%
Clouds: 95%
UV Index: 6 (High)
Rain: 10%
Wind: 11 mph
Mostly cloudy
Humidity: 72%
Clouds: 95%
Rain: 10%
Wind: 8 mph
Sunrise:
5:07AM
Sunset:
7:04PM
Phase:
🌘
waning crescent
Moonrise:
11:23PM
Moonset:
4:33PM
Feels Like High
24°C
Feels Like Low
11°C
Heat Index
24°C
Mostly cloudy
High: 23°C
Low: 13°C
Humidity: 53%
Clouds: 95%
UV Index: 3 (Moderate)
Rain: 10%
Wind: 13 mph
Light rain
Humidity: 67%
Clouds: 95%
Rain: 25%
Wind: 11 mph
Sunrise:
5:08AM
Sunset:
7:02PM
Phase:
🌘
waning crescent
Moonrise:
12:26AM
Moonset:
5:25PM
Feels Like High
25°C
Feels Like Low
13°C
Heat Index
25°C
Light rain
High: 19°C
Low: 13°C
Humidity: 79%
Clouds: 95%
UV Index: 3 (Moderate)
Rain: 45%
Wind: 10 mph
Clear with periodic clouds
Humidity: 94%
Clouds: 80%
Rain: 20%
Wind: 8 mph
Sunrise:
5:10AM
Sunset:
7:01PM
Phase:
🌘
waning crescent
Moonrise:
1:38AM
Moonset:
6:04PM
Feels Like High
25°C
Feels Like Low
13°C
Heat Index
25°C
Sunny
High: 24°C
Low: 14°C
Humidity: 64%
Clouds: 36%
UV Index: 7 (High)
Wind: 8 mph
Clear
Humidity: 87%
Clouds: 18%
Wind: 3 mph
Sunrise:
5:11AM
Sunset:
6:59PM
Phase:
🌘
waning crescent
Moonrise:
2:56AM
Moonset:
6:33PM
Feels Like High
25°C
Feels Like Low
14°C
Heat Index
25°C
Mostly sunny
High: 27°C
Low: 16°C
Humidity: 59%
Clouds: 25%
UV Index: 7 (High)
Wind: 3 mph
Partly cloudy
Humidity: 77%
Clouds: 65%
Rain: 5%
Wind: 6 mph
Sunrise:
5:12AM
Sunset:
6:57PM
Phase:
🌑
new moon
Moonrise:
4:12AM
Moonset:
6:56PM
Feels Like High
27°C
Feels Like Low
16°C
Heat Index
27°C
Partly sunny
High: 29°C
Low: 18°C
Humidity: 62%
Clouds: 64%
UV Index: 5 (Moderate)
Rain: 15%
Wind: 13 mph
Light rain
Humidity: 84%
Clouds: 80%
Rain: 40%
Wind: 13 mph
Sunrise:
5:13AM
Sunset:
6:56PM
Phase:
🌑
new moon
Moonrise:
5:26AM
Moonset:
7:15PM
Feels Like High
29°C
Feels Like Low
18°C
Heat Index
29°C
Rain showers
High: 22°C
Low: 18°C
Humidity: 91%
Clouds: 80%
UV Index: 4 (Moderate)
Rain: 50%
Wind: 13 mph
Partly cloudy
Humidity: 94%
Clouds: 65%
Rain: 50%
Wind: 8 mph
Sunrise:
5:14AM
Sunset:
6:54PM
Phase:
🌒
waxing crescent
Moonrise:
6:37AM
Moonset:
7:31PM
Feels Like High
24°C
Feels Like Low
18°C
Heat Index
24°C
Partly sunny
High: 23°C
Low: 15°C
Humidity: 74%
Clouds: 39%
UV Index: 6 (High)
Rain: 15%
Wind: 10 mph
Partly cloudy
Humidity: 79%
Clouds: 49%
Rain: 15%
Wind: 13 mph
Sunrise:
5:16AM
Sunset:
6:52PM
Phase:
🌒
waxing crescent
Moonrise:
7:44AM
Moonset:
7:47PM
Feels Like High
25°C
Feels Like Low
15°C
Heat Index
25°C
Partly sunny
High: 19°C
Low: 13°C
Humidity: 66%
Clouds: 61%
UV Index: 5 (Moderate)
Rain: 15%
Wind: 14 mph
Clear with periodic clouds
Humidity: 79%
Clouds: 35%
Rain: 15%
Wind: 11 mph
Sunrise:
5:17AM
Sunset:
6:50PM
Phase:
🌒
waxing crescent
Moonrise:
8:51AM
Moonset:
8:03PM
Feels Like High
25°C
Feels Like Low
13°C
Heat Index
25°C
Partly sunny
High: 19°C
Low: 12°C
Humidity: 63%
Clouds: 65%
UV Index: 5 (Moderate)
Rain: 5%
Wind: 11 mph
Partly cloudy
Humidity: 75%
Clouds: 64%
Rain: 5%
Wind: 10 mph
Sunrise:
5:18AM
Sunset:
6:48PM
Phase:
🌒
waxing crescent
Moonrise:
9:57AM
Moonset:
8:21PM
Feels Like High
25°C
Feels Like Low
11°C
Heat Index
25°C
Get accurate weather forecasts for Ottawa and other locations in Canada. Plan your day with detailed hourly and 7-day weather predictions, current conditions, and weather alerts.