• Tonight

    Mar 27

    Lo 14°

    Clear and frigid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      18°
    • Hi
      RealFeel
      26°
    • Wind
      Speed
      14 mph
    more
  • Sat

    Mar 28

    38°Lo 24°

    Plenty of sun, but cold

    Fair for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      49°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Mar 29

    47°Lo 31°

    Windy with spotty showers

    Good for home energy
    • Avg
      RealFeel
      27°
    • Hi
      RealFeel
      36°
    • Wind
      Speed
      22 mph
  • Mon

    Mar 30

    55°Lo 40°

    Milder with sunshine

    Fair for home energy
    • Avg
      RealFeel
      45°
    • Hi
      RealFeel
      55°
    • Wind
      Speed
      13 mph
    more
  • Tue

    Mar 31

    61°Lo 38°

    Partly sunny and breezy

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Showers
Mostly Cloudy
Mostly Cloudy
Showers
Cloudy
Mostly Cloudy
Showers
Mostly Cloudy
Temp (°F) 36° 37° 41° 44° 47° 45° 44° 42°
RealFeel® 18° 23° 28° 30° 36° 35° 30° 31°
Humidity 51% 54% 54% 51% 50% 57% 64% 71%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
52%
 
48%
 
47%
 
51%
 
47%
 
48%
 
52%
 
44%
Snow
 
4%
 
4%
 
4%
 
4%
 
2%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 21 S 23 SSW 24 SSW 25 SSW 26 SSW 24 SSW 23 SW 22 SW
UV Index 1 2 3 3 3 3 3 2
Cloud Cover 76% 76% 76% 85% 91% 85% 76% 76%
Dew Point 19° 22° 25° 27° 29° 31° 33° 33°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Mar 29

more Historical Weather Data >
  Today Normal Record 3/29/2014
High 47° 52° N/A 41°
Low 31° 33° N/A 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:34 of sunlight, then sets at 7:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:05 PM with 14:03 of moolight, then sets at 4:08 AM

Carpentersville Weather Report

Chicago: Temperatures to Rebound Following Cold Start to the Weekend

March 27, 2015; 12:04 PM ET

Another surge of cold air is set to blast Chicago, bringing January-like temperatures to the area early this 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index