• Today

    Sep 19

    76°Lo 58°

    Mostly sunny

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

    Sep 20

    80°Lo 57°

    A heavy afternoon t-storm

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

    Sep 21

    71°Lo 47°

    Clouds breaking; not as warm

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

    Sep 22

    71°Lo 46°

    Times of clouds and sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
  • Tue

    Sep 23

    74°Lo 49°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 71° RealFeel® 73° Precipitation 0%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 7 mph

Periods of clouds and sunshine

  • Max UV Index: 4 (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 46° RealFeel® 46° Precipitation 5%

Night

N

E

S

W

  • SW 3 mph
  • Gusts: 4 mph

Clear

  • 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 - Sep 22

more Historical Weather Data >
  Today Normal Record 9/22/2013
High 71° 74° 93° (1895) 75°
Low 46° 51° 34° (1995) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 12:10 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:11 AM with 12:49 of moolight, then sets at 6:00 PM

Top Story

Ottawa Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 19, 2014; 4:58 PM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

Mon. Dust & Dander

Mon. Wind Maps