• Tonight

    Sep 1

    Lo 69°

    Partly cloudy, warm; fog late

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      95°
  • Wed

    Sep 2

    90°Lo 70°

    Fog in the a.m.; partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      13%
    • Hi
      RealFeel
      95°
    more
  • Thu

    Sep 3

    86°Lo 67°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      98°
    more
  • Fri

    Sep 4

    86°Lo 65°

    Sunny, very warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      21%
    • Hi
      RealFeel
      93°
    more
  • Sat

    Sep 5

    85°Lo 61°

    Sunshine, warm and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      91°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
11pm
Wed
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 Clear
Temp (°F) 76° 76° 74° 74° 73° 72° 71° 69°
RealFeel® 77° 77° 75° 74° 73° 72° 72° 69°
Humidity 73% 76% 77% 77% 79% 81% 83% 86%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 6 SSW 6 SW 6 SW 6 SW 5 SW 5 WSW 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 67° 67° 67° 66° 66° 66° 66° 65°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 80° N/A 83°
Low 69° 60° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:09 of sunlight, then sets at 7:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:19 PM with 13:35 of moolight, then sets at 10:54 AM

Arlington Heights Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 5:41 PM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. 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

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration