• Today

    Dec 19

    34°Lo 23°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Sat

    Dec 20

    37°Lo 29°

    Periods of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Dec 21

    41°Lo 30°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Dec 22

    42°Lo 36°

    Mostly cloudy, afternoon rain

    Low ragweed pollen levels
    • Precip
      75%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      86%
    more
  • Tue

    Dec 23

    42°Lo 30°

    Considerable cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      85%
    more
Next Previous
Hi 34° RealFeel® 38° Precipitation 1%

Day

N

E

S

W

  • N 1 mph
  • Gusts: 4 mph

Mostly cloudy

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 23° RealFeel® 24° Precipitation 7%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 4 mph

Overcast

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

Ottawa Pollen Levels - December 19

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 34° 34° 59° (1918) 42°
Low 23° 18° -18° (1983) 30°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:11 of sunlight, then sets at 4:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 AM with 10:23 of moolight, then sets at 2:52 PM

Ottawa Weather Report

Chicago: Chance for a White Christmas as Pattern Turns Unsettled

December 19, 2014; 6:32 AM ET

There's a chance for a white Christmas around Chicagoland as next week turns unsettled. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps