• Tonight

    Sep 18

    Lo 48°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    76°Lo 60°

    Partly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    81°Lo 59°

    A t-storm in the afternoon

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

    Sep 21

    75°Lo 49°

    Partly sunny and less humid

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      35%
    more
  • Mon

    Sep 22

    72°Lo 49°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5pm
6pm 7pm 8pm 9pm 10pm 11pm Fri
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Sunny
Sunny
Sunny
Mostly Clear
Mostly Clear
Clear
Clear
Clear
Temp (°F) 71° 69° 65° 62° 60° 57° 55° 54°
RealFeel® 68° 65° 61° 59° 57° 54° 53° 52°
Humidity 52% 56% 64% 70% 77% 81% 85% 87%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
Snow
 
0%
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 8 E 7 ESE 6 ESE 5 ESE 5 ESE 5 ESE 4 E 4 E
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 16% 9% 6% 13% 10% 8% 9% 9%
Dew Point 53° 53° 53° 52° 52° 51° 51° 50°
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 Middle Grid line 50 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 73° 76° 99° (1965) 84°
Low 48° 53° 34° (1929) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:22 of sunlight, then sets at 7:00 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:28 AM with 14:25 of moolight, then sets at 3:53 PM

Top Story

Ottawa Weather Report

Chicago: Chance of Interrupting Thunderstorms for Weekend

September 18, 2014; 5:15 PM ET

Chicago is facing a mostly clear weekend with the threat of some disruptive thunderstorms on Saturday. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps