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Ottawa, ON Weather

Current weather

7:00 AM
13°C
Feels like -2°
Mostly Cloudy
High 24° · Low 11° · 12%
Wind
NE 13 km/h
Wind gusts
27 km/h
Humidity
91%
Air quality (AQHI)
1 · Low risk
UV index
0 · Low
More details
Dew point
11°C
Pressure
102.5 kPa ↘ falling
Visibility
10 km
Sunrise
6:43 AM
Sunset
7:10 PM
Daylight
12 h 27 min
Observed at Ottawa Macdonald-Cartier Int'l Airport, 7:00 AM EDT · Environment and Climate Change Canada

Hourly forecast

Hourly →
  • Now11°24%
  • 8 AM13°20%
  • 9 AM15°20%
  • 10 AM17°20%
  • 11 AM19°20%
  • 12 PM20°20%
  • 1 PM21°20%
  • 2 PM22°20%
  • 3 PM23°20%
  • 4 PM23°10%
  • 5 PM24°10%
  • 6 PM22°10%
  • 7 PM19°10%
  • 8 PM17°10%
  • 9 PM16°10%
  • 10 PM16°10%
  • 11 PM15°10%
  • Fri
  • 12 AM14°10%
  • 1 AM14°10%
  • 2 AM13°10%
  • 3 AM13°10%
  • 4 AM12°10%
  • 5 AM12°10%
  • 6 AM12°10%

14-day forecast

Full 14-day →
TodaySep 1724°11°Mainly sunnyClear12%

Day

Mainly sunny. High 24. Humidex 27. UV index 6 or high.

Humidex
27
Wind
N 15 km/h
Precipitation
12% · 0 mm
UV index (max)
6 High
Air quality (AQHI)
2 · Low risk

Night

Clear. Low 11.

Low
11°
Wind
W 15 km/h
Sunrise6:43 AM
Sunset7:10 PM
Daylight12 h 27 min
Normal19° / 9°
FriSep 1820°SunnyClear8%

Day

Sunny. Wind northwest 20 km/h becoming light late in the morning. High 20. UV index 5 or moderate.

Wind
NW 20 km/h
Precipitation
8% · 0 mm
UV index (max)
5 Moderate

Night

Clear. Low plus 5.

Low
Sunrise6:45 AM
Sunset7:08 PM
Daylight12 h 23 min
SatSep 1918°SunnyChance of showers60%

Day

Sunny. High 18.

Precipitation
60% · 0 mm
UV index (max)
5 Moderate

Night

Cloudy with 60 percent chance of showers. Low 9.

Low
Precipitation
60%
Sunrise6:46 AM
Sunset7:06 PM
Daylight12 h 20 min
SunSep 2019°Chance of showersClear60%

Day

A mix of sun and cloud with 60 percent chance of showers. High 19.

Precipitation
60% · 2 mm
UV index (max)
4 Moderate

Night

Clear. Low 6.

Low
Sunrise6:47 AM
Sunset7:04 PM
Daylight12 h 16 min
MonSep 2116°A mix of sun and cloudCloudy14%

Day

A mix of sun and cloud. High 16.

Precipitation
14% · 0 mm
UV index (max)
3 Moderate

Night

Cloudy. Low 8.

Low
Sunrise6:48 AM
Sunset7:02 PM
Daylight12 h 13 min
TueSep 2218°A mix of sun and cloudCloudy periods72%

Day

A mix of sun and cloud. High 18.

Precipitation
72% · 2 mm
UV index (max)
2 Low

Night

Cloudy periods. Low 9.

Low
Sunrise6:50 AM
Sunset7:00 PM
Daylight12 h 10 min
WedSep 2318°Chance of showers40%

Day

Cloudy with 40 percent chance of showers. High 18.

Precipitation
40% · 4 mm
UV index (max)
3 Moderate

Night

Low 9.

Low
Sunrise6:51 AM
Sunset6:58 PM
Daylight12 h 7 min
Days 8–14 · trend, lower confidence
ThuSep 2416°10°ShowersNight low 10°93%

Day

Showers. High 16.

Wind
S 25 km/h
Wind gusts
56 km/h
Precipitation
93% · 19 mm
UV index (max)
4 Moderate

Night

Low 10.

Low
10°
Sunrise6:52 AM
Sunset6:56 PM
Daylight12 h 4 min
SourceExtended outlook
FriSep 2510°Mostly cloudyNight low 6°81%

Day

Mostly cloudy. High 10.

Wind
NW 19 km/h
Wind gusts
41 km/h
Precipitation
81% · 3 mm
UV index (max)
2 Low

Night

Low 6.

Low
Sunrise6:53 AM
Sunset6:54 PM
Daylight12 h 1 min
SourceExtended outlook
SatSep 2614°SunnyNight low 3°8%

Day

Sunny. High 14.

Wind
W 20 km/h
Wind gusts
35 km/h
Precipitation
8% · 0 mm
UV index (max)
4 Moderate

Night

Low 3.

Low
Sunrise6:55 AM
Sunset6:53 PM
Daylight11 h 57 min
SourceExtended outlook
SunSep 2721°SunnyNight low 8°11%

Day

Sunny. High 21.

Wind
W 13 km/h
Wind gusts
32 km/h
Precipitation
11% · 0 mm
UV index (max)
6 High

Night

Low 8.

Low
Sunrise6:56 AM
Sunset6:51 PM
Daylight11 h 54 min
SourceExtended outlook
MonSep 2822°11°Mostly cloudyNight low 11°15%

Day

Mostly cloudy. High 22.

Wind
SW 19 km/h
Wind gusts
42 km/h
Precipitation
15% · 0 mm
UV index (max)
5 Moderate

Night

Low 11.

Low
11°
Sunrise6:57 AM
Sunset6:49 PM
Daylight11 h 51 min
SourceExtended outlook
TueSep 2924°13°SunnyNight low 13°13%

Day

Sunny. High 24.

Wind
W 13 km/h
Wind gusts
33 km/h
Precipitation
13% · 0 mm
UV index (max)
6 High

Night

Low 13.

Low
13°
Sunrise6:58 AM
Sunset6:47 PM
Daylight11 h 48 min
SourceExtended outlook
WedSep 3016°SunnyNight low 7°59%

Day

Sunny. High 16.

Wind
N 20 km/h
Wind gusts
40 km/h
Precipitation
59% · 3 mm
UV index (max)
5 Moderate

Night

Low 7.

Low
Sunrise7:00 AM
Sunset6:45 PM
Daylight11 h 45 min
SourceExtended outlook
Sunrise6:43 AM
Sunset7:10 PM
Daylight12 h 27 min
MoonFirst Quarter37% lit · rise 2:05 PM · set 10:04 PM

Climate · monthly normals

Full climate →
MonthJanFebMarAprMayJunJulAugSepOctNovDec
High-6°-3°11°19°24°27°25°21°13°-2°
Low-14°-13°-7°13°16°15°10°-2°-9°
Precip63 mm50 mm57 mm71 mm87 mm93 mm84 mm84 mm93 mm86 mm83 mm70 mm
ECCC

Activities today

Derived from the forecast
Laundry dayGreatLine-drying weather
GrillingGreatFire up the grill
RunningFairLace up outside
PatioGreatDinner outdoors
Forecast: Environment and Climate Change Canada (Ottawa North - Kanata - Orléans), issued 5:00 AM · Days 8–14: WeatherAPI.com · weather.gc.ca · 45.4112°N, 75.6981°W · Elevation 71 m · Population 1,017,449 · Time zone America/Toronto