• Today

    Apr 17

    10°Lo 1°

    Mostly sunny and warmer

    Very High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Apr 18

    12°Lo 2°

    Partly sunny

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

    Apr 19

    11°Lo 0°

    Mostly cloudy

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

    Apr 20

    13°Lo 4°

    Times of clouds and sun

    High indoor dust & dander levels
    • Precip
      3%
    • Wind
      Speed
      6 k/h
    • Cloud
      Cover
      59%
    more
  • Mon

    Apr 21

    15°Lo 4°

    A couple of showers possible

    Moderate indoor dust & dander levels
    • Precip
      30%
    • Wind
      Speed
      11 k/h
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5pm
6pm 7pm 8pm 9pm 10pm 11pm Fri
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C) 10°
RealFeel® -1° -2°
Humidity 31% 35% 42% 51% 61% 63% 65% 67%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (km/h) 18 ESE 16 ESE 14 E 13 E 11 ESE 11 SE 11 SSE 11 SE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 45% 45% 45% 70% 70% 70% 70% 70%
Dew Point -7° -6° -5° -4° -3° -3° -3° -3°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2013
High 10° 11° 30° (2002) 13°
Low -8° (1985)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:37 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:40 PM with 9:46 of moolight, then sets at 8:26 AM

Top Story

Ottawa Weather Report

Latest Status on Great Lakes Ice

April 16, 2014; 10:03 AM ET

Back from Toronto and the snow.... more >