• Early AM

    Aug 31

    Lo 62°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Aug 31

    83°Lo 67°

    Partly sunny and humid

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Mon

    Sep 1

    80°Lo 63°

    A strong thunderstorm

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Tue

    Sep 2

    78°Lo 56°

    Times of sun and clouds

    Moderate ragweed pollen levels
    • Precip
      19%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Sep 3

    82°Lo 68°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      30%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
T-storms
Partly Cloudy
Temp (°F) 70° 72° 75° 76° 78° 80° 78° 78°
RealFeel® 69° 73° 78° 80° 82° 84° 81° 83°
Humidity 93% 93% 89% 84% 79% 73% 88% 84%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
47%
 
39%
 
32%
 
32%
 
36%
 
47%
 
51%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 11 SSW 12 SSW 12 SSW 13 SSW 13 SW 13 SW 12 SW 12 SW
UV Index 1 2 3 4 4 4 3 3
Cloud Cover 86% 85% 83% 82% 80% 77% 74% 72%
Dew Point 68° 70° 71° 71° 71° 71° 74° 73°
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 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 80° 78° N/A 82°
Low 63° 55° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:19 AM with 13:10 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:13 PM with 10:08 of moolight, then sets at 11:21 PM

Top Story

Harvard Weather Report

Severe Storms to Threaten Chicago on Labor Day

August 30, 2014; 8:55 PM ET

Chicago will become the target of severe thunderstorms as the Labor Day holiday weekend comes to an end, creating dangers for those with outdoor plans. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps