• Tue

    Feb 16

    38°Lo 24°

    Cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Feb 17

    36°Lo 21°

    Cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Feb 18

    38°Lo 22°

    Sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Feb 19

    44°Lo 23°

    Clouds break for sun; warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 20

    49°Lo 31°

    Sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 38° RealFeel® 30° Precipitation 2%

Day

N

E

S

W

  • WNW 13 mph
  • Gusts: 31 mph

Sunny

  • Max UV Index: 3 (Moderate)
  • 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 22° RealFeel® 24° Precipitation 1%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 18 mph

Increasing cloudiness

  • 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

Temperature History - Feb 18

more Historical Weather Data >
  Today Normal Record 2/18/2015
High 38° 37° 60° (1961)
Low 22° 20° -16° (1936) -8°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 10:46 of sunlight, then sets at 5:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:54 PM with 14:38 of moolight, then sets at 4:32 AM

Ottawa Weather Report

Chicago: Temperatures to fall through the week

February 6, 2016; 2:33 PM ET

Colder air will follow winter weather early in the week across the Chicago region. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health