• Tonight

    Aug 27

    Lo 59°

    Partly cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      74°
  • Fri

    Aug 28

    79°Lo 66°

    Some sun, then clouds

    Excellent for lawn mowing
    • Hours of Precip
      2
    • Precip
      25%
    • Hi
      RealFeel
      80°
    more
  • Sat

    Aug 29

    80°Lo 64°

    Couple of showers, thunder

    Good for lawn mowing
    • Hours of Precip
      3
    • Precip
      60%
    • Hi
      RealFeel
      85°
    more
  • Sun

    Aug 30

    83°Lo 63°

    Partly sunny and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      93°
    more
  • Mon

    Aug 31

    86°Lo 64°

    Mostly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      94°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
10pm
11pm Fri
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 65° 63° 63° 62° 61° 61° 60° 60°
RealFeel® 64° 62° 62° 61° 60° 60° 60° 58°
Humidity 83% 85% 87% 88% 89% 91% 93% 93%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
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Snow
 
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Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 6 SE 6 SE 6 SE 6 SE 6 SE 6 SSE 6 SSE 6 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 46% 61% 70% 70% 70% 70% 70% 70%
Dew Point 59° 58° 59° 59° 58° 58° 58° 58°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2014
High 70° 82° 98° (1973) 83°
Low 59° 61° 38° (1915) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:16 AM with 13:21 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:05 PM with 10:47 of moolight, then sets at 4:52 AM

Ottawa Weather Report

Chicago: Stray Shower May Interrupt Otherwise Ideal Weekend Conditions

August 27, 2015; 4:38 PM ET

Chicago is in store for near-ideal weekend conditions after a brief shower hits the area on Saturday. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration