• Today

    Oct 20

    62°Lo 39°

    Turning cloudy

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      58°
  • Tue

    Oct 21

    54°Lo 35°

    Cool with clouds and sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      51°
    more
  • Wed

    Oct 22

    57°Lo 36°

    Plenty of sun

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      60°
    more
  • Thu

    Oct 23

    59°Lo 44°

    More clouds than sun

    Very Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      25%
    • Hi
      RealFeel
      58°
    more
  • Fri

    Oct 24

    65°Lo 47°

    Partial sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      65°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 46° 45° 44° 44° 47° 50° 52° 55°
RealFeel® 39° 37° 36° 36° 43° 45° 49° 53°
Humidity 86% 88% 89% 89% 86% 81% 76% 70%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
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0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 9 SSW 10 SW 10 SW 10 SW 7 WSW 8 W 9 WNW 10 NW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 13% 28% 41% 55% 0% 8% 22% 25%
Dew Point 43° 42° 41° 41° 43° 44° 45° 46°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Oct 20

more Historical Weather Data >
  Today Normal Record 10/20/2013
High 62° 61° N/A 63°
Low 39° 42° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:11 AM with 10:53 of sunlight, then sets at 6:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:57 AM with 12:31 of moolight, then sets at 4:28 PM

St. Charles Weather Report

Cool Weather Ahead for Chicago

October 20, 2014; 2:26 AM ET

Seasonable temperatures will be the rule this week across Chicagoland. 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

Mon. Overnight Freeze

Mon. Degree Days

Mon. Evapotranspiration