• Tonight

    May 27

    Lo 61°

    Mostly clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      13 mph
  • Thu

    May 28

    83°Lo 65°

    Warmer with plenty of sun

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      7 mph
    more
  • Fri

    May 29

    83°Lo 57°

    Thundershower

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      15 mph
    more
  • Sat

    May 30

    60°Lo 47°

    Some rain and a thunderstorm

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      58°
    • Wind
      Speed
      20 mph
    more
  • Sun

    May 31

    62°Lo 50°

    Partly sunny and breezy

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      14 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
7pm
8pm 9pm 10pm 11pm Thu
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Partly Cloudy
Partly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 74° 71° 70° 69° 67° 67° 65° 64°
RealFeel® 72° 68° 68° 67° 65° 65° 63° 63°
Humidity 48% 54% 57% 59% 62% 64% 67% 69%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
21%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 8 NW 7 WNW 6 WNW 5 WNW 5 WSW 5 SW 5 SSW 5 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 59% 38% 22% 15% 11% 11% 11% 11%
Dew Point 54° 54° 54° 54° 53° 54° 54° 54°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 75° 74° 97° (2012) 85°
Low 61° 55° 35° (1961) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:21 AM with 14:54 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:27 PM with 12:10 of moolight, then sets at 2:37 AM

Chicago Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 2:24 PM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index