• Early AM

    Sep 4

    Lo 69°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Sep 4

    90°Lo 71°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Sep 5

    90°Lo 71°

    Partly sunny and hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    92°Lo 73°

    Partly sunny, hot and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    86°Lo 69°

    An afternoon thunderstorm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 71° 69° 70° 73° 76° 80° 83° 85°
RealFeel® 72° 71° 72° 76° 82° 89° 96° 97°
Humidity 87% 89% 89% 85% 77% 71% 68% 63%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
4%
 
4%
 
2%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 SSE 4 SW 4 SW 4 WSW 4 WSW 4 WSW 4 WSW 5 WSW
UV Index 0 0 0 1 2 3 4 5
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 46%
Dew Point 67° 66° 67° 68° 68° 70° 72° 71°
Middle Grid line 90 F 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 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 90° 81° N/A N/A
Low 71° 57° N/A N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 12:59 of sunlight, then sets at 7:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:34 PM with 14:37 of moolight, then sets at 2:11 PM

Peru Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 4, 2015; 12:54 AM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps