• Early AM

    Oct 21

    Lo 41°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Oct 21

    57°Lo 36°

    Partly sunny

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

    Oct 22

    59°Lo 37°

    Plenty of sun

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

    Oct 23

    62°Lo 48°

    A brief shower or two

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      70%
    more
  • Fri

    Oct 24

    68°Lo 49°

    A full day of sunshine

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 41° 42° 45° 48° 51° 53° 55° 56°
RealFeel® 36° 37° 39° 44° 49° 52° 55° 56°
Humidity 88% 86% 79% 71% 65% 60% 55% 52%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 7 N 7 N 8 N 9 N 9 N 9 N 9 NNE 9 NNE
UV Index 0 0 0 1 2 3 3 3
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 38° 38° 38° 39° 40° 40° 39° 39°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 57° 63° 87° (1979) 52°
Low 36° 41° 21° (1925) 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 10:54 of sunlight, then sets at 6:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:59 AM with 12:31 of moolight, then sets at 4:30 PM

Ottawa Weather Report

Cool Weather Ahead for Chicago

October 20, 2014; 9:18 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps