• Today

    Jul 31

    85°Lo 60°

    Sunny to partly cloudy

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

    Aug 1

    86°Lo 67°

    Mostly sunny and beautiful

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

    Aug 2

    85°Lo 69°

    Periods of sun with a t-storm

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

    Aug 3

    86°Lo 63°

    A morning t-storm in the area

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

    Aug 4

    80°Lo 63°

    Humid with periods of sun

    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 >
  Sat
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Temp (°F) 62° 61° 60° 61° 62° 66° 71° 76°
RealFeel® 62° 61° 59° 60° 62° 67° 73° 80°
Humidity 89% 93% 98% 95% 92% 81% 68% 60%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
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0%
 
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0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
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Ice
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 5 W 5 WSW 5 WSW 6 WSW 5 WSW 6 WSW 7 W 8 W
UV Index 0 0 0 0 0 1 3 4
Cloud Cover 26% 26% 26% 26% 26% 0% 0% 0%
Dew Point 59° 59° 59° 60° 60° 61° 60° 62°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 86° 83° 101° (1894) 83°
Low 67° 64° 48° (1947) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:23 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:57 PM with 11:32 of moolight, then sets at 8:29 AM

Ottawa Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

July 31, 2015; 12:46 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps