• Tonight

    Dec 17

    Lo 18°

    Mostly cloudy

    Beach & Pool Weather
    • UV
      0 - Low
    • Cloud
      Cover
      100%
    • Precip
      0%
    more
  • Thu

    Dec 18

    28°Lo 20°

    Mostly cloudy

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      76%
    • Precip
      7%
  • Fri

    Dec 19

    31°Lo 22°

    Mostly cloudy

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      76%
    • Precip
      4%
    more
  • Sat

    Dec 20

    32°Lo 23°

    Clouds giving way to some sun

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      83%
    • Precip
      16%
    more
  • Sun

    Dec 21

    35°Lo 28°

    Partly sunny

    Poor at the beach or pool
    • UV
      1 - Low
    • Cloud
      Cover
      45%
    • Precip
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1am
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 21° 20° 18° 20° 20° 20° 20° 21°
RealFeel® 17° 16° 14° 17° 17° 18° 18° 20°
Humidity 75% 77% 84% 76% 75% 75% 76% 76%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 6 NW 6 NW 6 NW 5 NW 5 NW 5 NW 5 NW 4 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 14° 14° 14° 13° 13° 13° 13° 14°
Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 28° 31° 51° (2002) 29°
Low 20° 16° -11° (1983) 10°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:08 of sunlight, then sets at 4:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:28 AM with 10:40 of moolight, then sets at 2:08 PM

DeKalb Weather Report

Chicago: White Christmas in the Offing

December 17, 2014; 6:33 PM ET

While the next couple of days will be tranquil for the Chicago area, Christmas Eve could deliver enough snow to blanket the city. more >

What's that Warning? Warnings at the Beach

Jul 25, 2012; 5:00 AM ET If you're headed to the beach, keep an eye out for any of these watches and warnings issued by the NWS.

Thu. Beach & Pool

Thu. UV Index

Thu. Wind Maps