• 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°

    An a.m. snow shower; some sun

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • 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
  • 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 >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 11° 13° 14° 13° 13°
RealFeel® 12° 14° 16° 17° 16° 14°
Humidity 48% 43% 38% 35% 32% 30% 32% 34%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
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%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (km/h) 8 ESE 8 SE 10 SE 10 SE 10 SE 10 SSE 10 SSE 10 SSE
UV Index 2 3 4 5 6 5 4 3
Cloud Cover 33% 38% 43% 45% 45% 45% 45% 45%
Dew Point -4° -4° -4° -4° -4° -3° -3° -3°
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 14° 12° 28° (1941)
Low -5° (1981) -4°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:46 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:38 AM with 9:43 of moolight, then sets at 10:21 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 >