• Today

    Sep 18

    71°Lo 49°

    Partly sunny and pleasant

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

    Sep 19

    74°Lo 60°

    Intervals of clouds and sun

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

    Sep 20

    81°Lo 59°

    Warmer; an afternoon t-storm

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

    Sep 21

    74°Lo 50°

    Clouds breaking; less humid

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      51%
    more
  • Mon

    Sep 22

    69°Lo 47°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 56° 62° 66° 68° 71° 74° 74° 74°
RealFeel® 54° 61° 66° 69° 71° 73° 73° 71°
Humidity 77% 69% 62% 56% 51% 48% 47% 47%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
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%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 7 SSE 8 SSE 9 SSE 10 S 11 S 11 S 11 S 12 S
UV Index 1 2 4 4 5 4 4 2
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 49° 51° 53° 52° 52° 53° 53° 53°
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

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 74° 76° 94° (1948) 92°
Low 60° 51° 35° (1991) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:18 of sunlight, then sets at 6:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:24 AM with 14:05 of moolight, then sets at 4:29 PM

Top Story

Peru Weather Report

Chicago: Cooler, Fall-Like Temperatures to Linger

September 18, 2014; 6:12 AM ET

The cooler, below-average conditions responsible for the fall-like feel will hold through the end of the week over the Chicago area. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps