• Tonight

    Jul 27

    Lo 66°

    Partly cloudy and humid

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      98°
  • Tue

    Jul 28

    88°Lo 73°

    Partly sunny, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      19%
    • Hi
      RealFeel
      99°
    more
  • Wed

    Jul 29

    87°Lo 62°

    A stray morning thunderstorm

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      54%
    • Hi
      RealFeel
      94°
    more
  • Thu

    Jul 30

    85°Lo 64°

    Sunny and pleasant

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      89°
    more
  • Fri

    Jul 31

    87°Lo 64°

    Partly sunny

    Good for lawn mowing
    • Hours of Precip
      2
    • Precip
      25%
    • Hi
      RealFeel
      92°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
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Forecast
Mostly Sunny
Sunny
Sunny
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 89° 90° 90° 85° 86° 82° 79° 76°
RealFeel® 95° 93° 94° 86° 86° 82° 78° 76°
Humidity 48% 42% 42% 49% 47% 56% 64% 68%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
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Snow
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 10 E 12 ESE 7 SE 9 ESE 8 ESE 6 E 8 ENE 6 ENE
UV Index 7 6 5 2 1 0 0 0
Cloud Cover 25% 0% 0% 90% 90% 90% 90% 60%
Dew Point 67° 64° 64° 64° 64° 65° 66° 65°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2014
High 90° 84° 98° (1997) 85°
Low 66° 64° 50° (1977) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:34 of sunlight, then sets at 8:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:50 PM with 10:05 of moolight, then sets at 2:55 AM

Joliet Weather Report

Chicago: Heat and Humidity to Build Through Midweek

July 27, 2015; 3:35 PM ET

While cooler than average temperatures start off the work-week in Chicagoland, it will not last long as the heat and humidity will begin to build back in through the middle of the week. 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