• Today

    Apr 20

    74°Lo 51°

    Partly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      9 mph
  • Mon

    Apr 21

    74°Lo 44°

    Couple of showers, t-storms

    Poor for home energy
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      13 mph
    more
  • Tue

    Apr 22

    58°Lo 34°

    Clouds breaking and cooler

    Fair for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      58°
    • Wind
      Speed
      10 mph
    more
  • Wed

    Apr 23

    59°Lo 40°

    Partly sunny

    Fair for home energy
    • Avg
      RealFeel
      49°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      7 mph
    more
  • Thu

    Apr 24

    69°Lo 49°

    Mostly cloudy with a t-storm

    Fair for home energy
    • Avg
      RealFeel
      52°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      12 mph
    more
Next Previous
Hi 74° RealFeel® 75° Precipitation 21%

Day

N

E

S

W

  • SSW 9 mph
  • Gusts: 16 mph

Warmer with more sun than clouds

  • Max UV Index: 7 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 51° RealFeel® 47° Precipitation 25%

Night

N

E

S

W

  • S 6 mph
  • Gusts: 10 mph

Increasing clouds

  • Max UV Index: N/A
  • Thunderstorms: 10%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 74° 62° N/A 45°
Low 51° 42° N/A 27°

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 12:20 AM with 10:03 of moolight, then sets at 10:23 AM

Top Story

Naperville Weather Report

Warm Easter Day in Chicago but Rain Coming on Monday

April 20, 2014; 3:12 AM ET

It will be a partly sunny and warm Easter day across Chicago. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index