• Today

    Oct 1

    78°Lo 62°

    Warmer with some sun

    Excellent for lawn mowing
    • Hours of Precip
      2
    • Precip
      25%
    • Hi
      RealFeel
      76°
  • Thu

    Oct 2

    78°Lo 57°

    A few strong p.m. t-storms

    Good for lawn mowing
    • Hours of Precip
      4
    • Precip
      68%
    • Hi
      RealFeel
      79°
    more
  • Fri

    Oct 3

    61°Lo 38°

    Cooler with a stray shower

    Poor for lawn mowing
    • Hours of Precip
      2
    • Precip
      40%
    • Hi
      RealFeel
      56°
    more
  • Sat

    Oct 4

    52°Lo 37°

    Partly sunny and cooler

    Fair for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      46°
    more
  • Sun

    Oct 5

    59°Lo 42°

    Warmer with clouds and sun

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      8%
    • Hi
      RealFeel
      54°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 50° 50° 49° 49° 48° 49° 50° 53°
RealFeel® 47° 46° 46° 46° 45° 46° 47° 50°
Humidity 82% 84% 86% 87% 88% 86% 87% 80%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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1%
 
3%
 
3%
Snow
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 5 E 5 E 5 ESE 5 ESE 5 ESE 5 ESE 6 ESE 7 SE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 35% 32% 26% 21% 17% 19% 25% 23%
Dew Point 45° 45° 45° 45° 45° 45° 46° 47°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Oct 1

more Historical Weather Data >
  Today Normal Record 10/1/2013
High 78° 71° 90° (1971) 79°
Low 62° 45° 32° (1974) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 11:46 of sunlight, then sets at 6:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:56 PM with 10:11 of moolight, then sets at 12:07 AM

Peru Weather Report

Chicago: Mix of Sun, Storms Ahead as Temperatures Fluctuate

October 1, 2014; 7:29 AM ET

The Chicago area is set for a roller-coaster weather pattern over the next few days as temperatures rise and fall in between alternating sunny and stormy skies. 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

Wed. Overnight Freeze

Wed. Degree Days

Wed. Evapotranspiration