• Today

    Oct 20

    60°Lo 42°

    Turning cloudy

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Tue

    Oct 21

    53°Lo 39°

    Partly sunny and cool

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      1%
    • Hours of Precip
      0
  • Wed

    Oct 22

    55°Lo 38°

    Plenty of sun

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

    Oct 23

    59°Lo 47°

    More clouds than sun

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      25%
    • Hours of Precip
      0.5
    more
  • Fri

    Oct 24

    64°Lo 50°

    Partial sunshine

    Advisory for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1am
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Sunny
Temp (°F) 48° 47° 46° 45° 44° 42° 42° 43°
RealFeel® 43° 41° 41° 40° 38° 36° 36° 36°
Humidity 76% 77% 77% 78% 79% 80% 79% 77%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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0%
 
0%
 
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0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 8 NNW 8 NNW 8 N 8 N 8 N 8 N 9 N 10 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 26% 26% 26% 26% 26% 26% 46%
Dew Point 41° 40° 39° 39° 37° 37° 36° 37°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 53° 61° N/A 54°
Low 39° 42° N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:11 AM with 10:50 of sunlight, then sets at 6:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:53 AM with 12:02 of moolight, then sets at 4:55 PM

Deerfield Weather Report

Cool Weather Ahead for Chicago

October 20, 2014; 7:18 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.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index