• Today

    Sep 23

    75°Lo 49°

    Sunny and pleasant

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

    Sep 24

    76°Lo 52°

    Sun mixing with clouds

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

    Sep 25

    78°Lo 52°

    Partly sunny and pleasant

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

    Sep 26

    79°Lo 52°

    Sunny and pleasantly warm

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Sat

    Sep 27

    80°Lo 55°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      24%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 50° 49° 49° 52° 56° 63° 68° 70°
RealFeel® 49° 47° 48° 51° 57° 66° 70° 74°
Humidity 89% 91% 90% 85% 75% 65% 57% 49%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
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%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 3 SE 3 ESE 3 ESE 4 SE 4 SE 4 SE 5 SE 5 SE
UV Index 0 0 0 0 1 2 4 4
Cloud Cover 13% 17% 19% 10% 10% 10% 10% 10%
Dew Point 47° 46° 46° 48° 49° 51° 52° 50°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 76° 74° 93° (1908) 80°
Low 52° 50° 29° (1928) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:05 of sunlight, then sets at 6:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:06 AM with 11:53 of moolight, then sets at 6:59 PM

Top Story

Ottawa Weather Report

Drier Air Heads into Chicago Following Storms

September 23, 2014; 5:30 PM ET

Drier air will filter into the Chicago area for the rest of the week, resulting in dry skies and clear conditions to kick off the first week of fall. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps