• Tonight

    Jul 27

    Lo 64°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      9 mph
  • Tue

    Jul 28

    88°Lo 72°

    Humid with partial sunshine

    Poor for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Jul 29

    84°Lo 60°

    A morning t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      72°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      14 mph
    more
  • Thu

    Jul 30

    85°Lo 63°

    Sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      9 mph
    more
  • Fri

    Jul 31

    86°Lo 63°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      9 mph
    more
Next Previous
Hi 89° RealFeel® 94° Precipitation 4%

Day

N

E

S

W

  • ENE 9 mph
  • Gusts: 15 mph

Partly sunny and warm

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 65° Precipitation 11%

Night

N

E

S

W

  • E 5 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 89° 83° N/A 84°
Low 64° 65° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:35 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:51 PM with 10:04 of moolight, then sets at 2:55 AM

Geneva Weather Report

Chicago: Heat and Humidity to Build Through Midweek

July 27, 2015; 3:35 PM ET

While cooler than average temperatures start off the work-week in Chicagoland, it will not last long as the heat and humidity will begin to build back in through the middle of the week. 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.

Mon. Home Energy Efficiency

Mon. Degree Days

Mon. UV Index