• Fri

    Aug 14

    82°Lo 58°

    Mostly cloudy with a shower

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

    Aug 15

    85°Lo 59°

    Mostly cloudy

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

    Aug 16

    90°Lo 61°

    Sunny and warm

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

    Aug 17

    91°Lo 62°

    Increasing cloudiness and hot

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

    Aug 18

    82°Lo 66°

    Cloudy, a t-storm; colder

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 85° RealFeel® 86° Precipitation 23%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 15 mph

Mostly cloudy

  • Max UV Index: 6 (High)
  • Thunderstorms: 8%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 58° Precipitation 14%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 13 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 15

more Historical Weather Data >
  Today Normal Record 8/15/2014
High 85° 83° 100° (1944) 76°
Low 59° 63° 47° (2004) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 13:53 of sunlight, then sets at 7:56 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:08 AM with 13:41 of moolight, then sets at 7:49 PM

Ottawa Weather Report

Chicago: Cooler Conditions to Last Through Week

August 4, 2015; 3:07 PM ET

The Chicagoland area will experience cooler weather throughout the week. more >