• Today

    Jul 31

    82°Lo 59°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
  • Sat

    Aug 1

    82°Lo 62°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Sun

    Aug 2

    82°Lo 63°

    Periods of sun with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Mon

    Aug 3

    80°Lo 58°

    A morning t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Tue

    Aug 4

    79°Lo 58°

    Partly sunny and nice

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
11pm
Sat
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Temp (°F) 63° 62° 61° 60° 59° 59° 59° 59°
RealFeel® 62° 61° 60° 59° 58° 58° 58° 58°
Humidity 64% 66% 68% 73% 75% 77% 81% 79%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 6 WNW 5 W 5 W 5 W 6 W 6 W 5 W 6 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 11% 11% 11% 11% 11% 11% 11% 11%
Dew Point 51° 50° 50° 51° 52° 52° 53° 53°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 82° 82° 99° (1999) 79°
Low 59° 62° 49° (1971) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:28 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:16 PM with 11:00 of moolight, then sets at 7:16 AM

DeKalb 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps