• Today

    Apr 16

    55°Lo 40°

    Partly sunny; breezy, warmer

    High indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Apr 17

    58°Lo 37°

    A passing afternoon shower

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 18

    53°Lo 34°

    Mostly cloudy with a shower

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    57°Lo 39°

    Periods of sun

    Moderate indoor dust & dander levels
    • Precip
      8%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Apr 20

    67°Lo 50°

    Mostly cloudy

    Moderate indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      78%
    more
Next Previous
Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Clear
Clear
Clear
Clear
Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Temp (°F) 31° 31° 30° 30° 30° 29° 30° 32°
RealFeel® 30° 29° 28° 26° 25° 22° 22° 21°
Humidity 59% 73% 73% 74% 74% 76% 75% 72%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 3 SSE 4 SE 4 SSE 5 SSE 6 E 7 E 8 E 10 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 2% 6% 8% 13% 16% 19%
Dew Point 18° 23° 23° 22° 23° 22° 23° 23°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Apr 16

more Historical Weather Data >
  Today Normal Record 4/16/2013
High 55° 63° 90° (2002) 57°
Low 40° 40° 23° (1904) 40°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:22 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:21 PM with 10:23 of moolight, then sets at 7:44 AM

Top Story

Ottawa Weather Report

Chicago: Chilly Weather to Return for the Weekend

April 16, 2014; 4:33 AM ET

While the city will warm up at midweek, by the weekend chilly weather will return and persist until next week. more >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps