• Today

    Jul 31

    89°Lo 60°

    Sunny to partly cloudy

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      9 mph
  • Sat

    Aug 1

    86°Lo 65°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Aug 2

    85°Lo 66°

    Clouds and sun with a t-storm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Aug 3

    85°Lo 62°

    A morning t-storm in spots

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      8 mph
    more
  • Tue

    Aug 4

    82°Lo 60°

    Pleasant with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Clear
Clear
Clear
Clear
Sunny
Sunny
Partly Sunny
Temp (°F) 70° 69° 64° 61° 61° 61° 65° 74°
RealFeel® 73° 72° 68° 64° 64° 64° 69° 79°
Humidity 84% 84% 97% 100% 100% 100% 93% 81%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 0 0 0 0 0 0 0 4 SW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 40%
Dew Point 65° 64° 63° 61° 61° 61° 63° 68°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 89° 83° 101° (1999) 81°
Low 60° 63° 53° (2014) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:26 of sunlight, then sets at 8:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:13 PM with 11:01 of moolight, then sets at 7:14 AM

Joliet Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. 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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index