• Tonight

    Apr 20

    Lo 36°

    Partly cloudy and chilly

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      35%
    • Hi
      RealFeel
      40°
  • Tue

    Apr 21

    55°Lo 31°

    Very windy; variable clouds

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      22%
    • Hi
      RealFeel
      49°
    more
  • Wed

    Apr 22

    52°Lo 29°

    Partly sunny, windy and cool

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      49°
    more
  • Thu

    Apr 23

    54°Lo 29°

    Breezy with plenty of sun

    Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      6%
    • Hi
      RealFeel
      54°
    more
  • Fri

    Apr 24

    57°Lo 34°

    A thick cloud cover

    Poor for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      25%
    • Hi
      RealFeel
      57°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 48° 49° 49° 48° 48° 49° 49° 49°
RealFeel® 37° 39° 40° 39° 38° 39° 39° 39°
Humidity 79% 73% 68% 67% 66% 62% 59% 58%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
11%
 
11%
 
11%
 
10%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 21 W 21 W 22 WNW 22 W 23 W 22 W 22 W 22 W
UV Index 1 1 2 2 2 2 1 1
Cloud Cover 99% 100% 99% 100% 100% 100% 100% 99%
Dew Point 41° 40° 39° 38° 37° 37° 36° 35°
Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 49° 62° N/A 79°
Low 36° 42° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 13:34 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:33 AM with 14:28 of moolight, then sets at 10:01 PM

Naperville Weather Report

Chicago: Temperatures to Plummet After Extended Warm Spell

April 20, 2015; 8:24 PM ET

After a two-week stretch of above-normal temperatures, Chicago is set to fall into a chilly pattern into late this 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?

Current Drought Status

Current Soil Conditions

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration