• Today

    Apr 16

    66°Lo 38°

    Partly sunny and windy

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Apr 17

    52°Lo 36°

    Cooler with rain and drizzle

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 18

    65°Lo 49°

    Warmer with clouds and sun

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

    Apr 19

    71°Lo 55°

    Partly sunny

    Low indoor dust & dander levels
    • Precip
      15%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      45%
    more
  • Sun

    Apr 20

    70°Lo 51°

    Mostly cloudy, a little rain

    Low indoor dust & dander levels
    • Precip
      56%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      93%
    more
Next Previous
Hi 66° RealFeel® 63° Precipitation 7%

Day

N

E

S

W

  • S 20 mph
  • Gusts: 32 mph

Partly sunny and windy

  • Max UV Index: 7 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 38° RealFeel® 32° Precipitation 40%

Night

N

E

S

W

  • NNW 7 mph
  • Gusts: 17 mph

Mostly cloudy with a shower in places late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Ottawa Pollen Levels - April 16

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Apr 16

more Historical Weather Data >
  Today Normal Record 4/16/2013
High 66° 65° 87° (1896) 48°
Low 38° 43° 26° (1921) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 13:15 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:42 PM with 10:34 of moolight, then sets at 8:16 AM

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps