• Today

    Aug 30

    80°Lo 63°

    Humid in the a.m.; clearing

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      87°
    more
  • Mon

    Aug 31

    86°Lo 70°

    Sunny, warm and humid

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      93°
    more
  • Tue

    Sep 1

    88°Lo 71°

    Mostly sunny, warm and humid

    Lawn Mowing Weather
    • Hours of Precip
      1
    • Precip
      25%
    • Hi
      RealFeel
      94°
  • Wed

    Sep 2

    90°Lo 69°

    Partly sunny and very warm

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      96°
    more
  • Thu

    Sep 3

    89°Lo 69°

    Mostly sunny and very warm

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      95°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5pm
6pm 7pm 8pm 9pm 10pm 11pm Wed
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
T-storms
Temp (°F) 87° 86° 83° 81° 79° 77° 76° 75°
RealFeel® 91° 89° 86° 83° 81° 79° 76° 73°
Humidity 55% 60% 64% 69% 74% 75% 76% 79%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
0%
 
0%
 
18%
 
18%
 
23%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 9 SSW 8 SSW 7 SSW 7 S 7 S 8 S 8 S 8 S
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 14% 12% 10% 26% 26% 26% 26% 26%
Dew Point 69° 71° 70° 69° 70° 69° 68° 68°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 88° 81° 101° (1953) 83°
Low 71° 58° 38° (1967) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:07 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:25 PM with 13:33 of moolight, then sets at 10:58 AM

Peru Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 1:00 PM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Tue. Degree Days

Tue. Evapotranspiration