• Today

    Apr 18

    11°Lo 2°

    Showers late this afternoon

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Apr 19

    11°Lo 1°

    A morning snow shower

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Sun

    Apr 20

    14°Lo 5°

    Partly sunny

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Apr 21

    17°Lo 8°

    A couple of showers possible

    Moderate indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      61%
    more
  • Tue

    Apr 22

    17°Lo 5°

    Mostly cloudy with showers

    Moderate indoor dust & dander levels
    • Precip
      65%
    • Wind
      Speed
      8 k/h
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Mostly Cloudy
Flurries
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C)
RealFeel® -3° -4° -4° -2°
Humidity 84% 82% 76% 71% 66% 57% 51% 48%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
18%
 
16%
 
13%
 
13%
 
13%
 
13%
 
13%
 
15%
Snow
 
0%
 
0%
 
41%
 
37%
 
28%
 
16%
 
16%
 
11%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (km/h) 16 NW 18 NW 19 NW 21 NW 21 NW 21 NW 21 NW 19 NW
UV Index 0 0 0 1 3 4 5 5
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point -1° -1° -1° -1° -1° -2° -2°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Apr 19

more Historical Weather Data >
  Today Normal Record 4/19/2013
High 11° 12° 28° (1976) 23°
Low -8° (1983)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:42 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at --:-- with of moolight, then sets at 9:21 AM

Top Story

Ottawa Weather Report

Long Range Hints through May

April 18, 2014; 7:23 AM ET

Updated look at the long range and potential El Nino later this year. more >