• Tonight

    Sep 18

    Lo 48°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • 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
  • Sat

    Sep 20

    81°Lo 59°

    A strong afternoon t-storm

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

    Sep 21

    75°Lo 49°

    Periods of sun; less humid

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      46%
    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 >
  Fri
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 51° 51° 50° 49° 48° 49° 52° 57°
RealFeel® 50° 49° 49° 47° 45° 45° 48° 54°
Humidity 90% 91% 91% 93% 93% 93% 88% 77%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 E 4 ESE 4 ESE 4 ESE 5 SE 6 SE 7 SE 8 SSE
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 8% 10% 10% 10% 10% 10% 45% 45%
Dew Point 49° 48° 48° 47° 46° 47° 49° 50°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 76° 76° 95° (1947) 92°
Low 60° 52° 34° (1929) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:18 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 AM with 14:05 of moolight, then sets at 4:28 PM

Top Story

Ottawa Weather Report

Chicago: Chance of Interrupting Thunderstorms for Weekend

September 18, 2014; 9:15 PM ET

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps