• Today

    Jul 31

    86°Lo 69°

    Sunny to partly cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      23 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Sat

    Aug 1

    85°Lo 70°

    Mostly sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      16%
    • Hours of Precip
      1
    more
  • Sun

    Aug 2

    84°Lo 71°

    Sun and clouds with a t-storm

    Advisory for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      55%
    • Hours of Precip
      2
    more
  • Mon

    Aug 3

    83°Lo 68°

    A morning t-storm in the area

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      42%
    • Hours of Precip
      1
    more
  • Tue

    Aug 4

    79°Lo 66°

    Pleasant with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • Hours of Precip
      0.5
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Cloudy
Clear
Clear
Mostly Sunny
Mostly Sunny
Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 73° 72° 71° 72° 72° 74° 76° 80°
RealFeel® 71° 70° 68° 70° 70° 73° 77° 81°
Humidity 63% 65% 67% 67% 66% 58% 51% 47%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 7 W 6 W 6 WNW 7 WNW 7 WNW 7 WSW 8 W 10 W
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 50% 1% 0% 10% 10% 8% 40% 20%
Dew Point 60° 60° 59° 60° 60° 58° 57° 57°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 86° 83° 99° (2006) 85°
Low 69° 67° 50° (1936) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:27 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:11 PM with 11:00 of moolight, then sets at 7:11 AM

Chicago 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 >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index