• Today

    Sep 1

    88°Lo 67°

    Fog in the morning; hazy sun

    Beneficial weather for migraines
    • Hi
      RealFeel
      94°
    • UV
      5 - High
    • Cloud
      Cover
      34%
    more
  • Wed

    Sep 2

    89°Lo 66°

    Fog in the a.m.; partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      41%
  • Thu

    Sep 3

    87°Lo 66°

    Mostly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      27%
    more
  • Fri

    Sep 4

    87°Lo 66°

    Mostly sunny, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      97°
    • UV
      5 - High
    • Cloud
      Cover
      20%
    more
  • Sat

    Sep 5

    87°Lo 66°

    Sunshine, warm and humid

    Beneficial weather for migraines
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Fog
Fog
Fog
Partly Sunny
Temp (°F) 71° 70° 67° 69° 73° 77° 81° 83°
RealFeel® 72° 71° 69° 72° 76° 83° 88° 91°
Humidity 86% 88% 95% 89% 84% 76% 69% 63%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
4%
 
4%
 
4%
 
3%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 WSW 4 WSW 2 WSW 1 SW 4 WSW 5 WSW 6 WSW 7 W
UV Index 0 0 0 0 1 2 3 4
Cloud Cover 25% 25% 25% 25% 45% 33% 26% 30%
Dew Point 66° 66° 66° 66° 68° 69° 69° 69°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 89° 80° N/A 81°
Low 66° 60° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:05 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:01 PM with 14:03 of moolight, then sets at 12:04 PM

Aurora Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 1, 2015; 4:41 AM ET

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

Wed. Migraine Headache

Wed. UV Index