• Today

    Sep 21

    67°Lo 44°

    Clouds breaking; not as warm

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

    Sep 22

    69°Lo 47°

    Mostly sunny

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

    Sep 23

    74°Lo 49°

    Mostly sunny and pleasant

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

    Sep 24

    75°Lo 50°

    Sunny and pleasant

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    Sep 25

    79°Lo 51°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Clear 60° RealFeel® 52°

N

E

S

W

  • Humidity: 78%
  • Pressure: 29.88 in
  • UV Index: 0
  • Cloud Cover: 4%
  • Ceiling: 37600 ft
  • Dew Point: 53° F
  • Visibility: 10 mi
10 mph

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:13 of sunlight, then sets at 6:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:14 AM with 13:17 of moolight, then sets at 5:31 PM

Temperature Summary - 6:39 AM

  Temp (°F)
Now 60°
Yesterday 61°
RealFeel® 52°
RealFeel® Shade 52°
Wind Chill 60°
Dew Point 53°
  Hi / Lo
Previous 6 Hours 69°
  60°
Previous 12 Hours 73°
  60°
Previous 24 Hours 79°
  59°

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 67° 75° 95° (1940) 72°
Low 44° 52° 35° (1913) 44°

Precipitation Summary - 6:39 AM

  Amount (in)
Previous 1 Hour 0
Previous 3 Hours 0
Previous 6 Hours 0.09
Previous 9 Hours 0.1
Previous 12 Hours 0.1
Previous 18 Hours 0.32
Previous 24 Hours 0.32
Top Story

Ottawa Weather Report

Drier Air Heads into Chicago Following Storms

September 21, 2014; 5:00 AM ET

After storms clipped Chicagoland early Sunday, drier air will filter into the area for the rest of the week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps