• Today

    Aug 30

    82°Lo 64°

    Areas of morning fog; warmer

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

    Aug 31

    87°Lo 69°

    Sunny, warm and humid

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

    Sep 1

    89°Lo 69°

    Sunshine, warm and humid

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

    Sep 2

    89°Lo 68°

    Partly sunny and very warm

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

    Sep 3

    89°Lo 68°

    Partly sunny and very warm

    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 >
  Mon
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Sunny
Sunny
Temp (°F) 67° 66° 66° 65° 64° 65° 66° 69°
RealFeel® 68° 66° 65° 65° 66° 66° 67° 72°
Humidity 96% 95% 96% 98% 99% 100% 100% 96%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 5 SSE 5 SSE 4 SSE 4 SSE 4 SSE 4 SSE 2 SSE 4 S
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point 66° 65° 64° 65° 64° 65° 66° 67°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 87° 81° 98° (1953) 86°
Low 69° 60° 33° (1915) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:20 AM with 13:10 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:45 PM with 13:01 of moolight, then sets at 9:46 AM

Ottawa Weather Report

Chicago: Heat, Humidity to Build Through Week

August 30, 2015; 6:00 AM ET

A turn to warmer conditions is in store for the Chicago area heading into the new week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps