• Today

    Oct 20

    57°Lo 45°

    A thunderstorm in spots

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      40%
    • Hours of Precip
      0.5
  • Tue

    Oct 21

    52°Lo 39°

    Cool with clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Wed

    Oct 22

    52°Lo 42°

    Plenty of sunshine, but cool

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Thu

    Oct 23

    58°Lo 48°

    Variable cloudiness

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      12%
    • Hours of Precip
      0.5
    more
  • Fri

    Oct 24

    62°Lo 50°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Sunny
Sunny
T-storms
Temp (°F) 50° 51° 50° 49° 48° 50° 51° 52°
RealFeel® 44° 44° 42° 41° 39° 44° 45° 46°
Humidity 78% 78% 79% 80% 86% 83% 81% 80%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
43%
 
47%
 
51%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 9 SSW 9 WSW 12 WSW 12 WSW 13 WSW 9 WSW 10 WSW 10 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 27% 32% 39% 51% 61% 3% 9% 22%
Dew Point 44° 44° 44° 43° 44° 45° 45° 46°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Oct 20

more Historical Weather Data >
  Today Normal Record 10/20/2013
High 57° 61° 86° (1953) 65°
Low 45° 44° 20° (1930) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:08 AM with 10:54 of sunlight, then sets at 6:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:54 AM with 12:32 of moolight, then sets at 4:26 PM

Chicago Weather Report

Cool Weather Ahead for Chicago

October 20, 2014; 2:26 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. 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.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index