• Early AM

    Sep 2

    Lo 69°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    Sep 2

    90°Lo 70°

    Fog in the a.m.; partly sunny

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

    Sep 3

    86°Lo 67°

    Partly sunny, a t-storm; warm

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

    Sep 4

    86°Lo 65°

    Sunny, very warm and humid

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

    Sep 5

    85°Lo 61°

    Sunshine, warm and humid

    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 >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
T-storms
Partly Sunny
Partly Sunny
Partly Sunny
T-storms
Partly Sunny
Temp (°F) 76° 79° 80° 82° 83° 86° 85° 84°
RealFeel® 80° 86° 88° 93° 95° 99° 95° 95°
Humidity 72% 69% 71% 63% 60% 58% 64% 65%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
34%
 
40%
 
51%
 
47%
 
43%
 
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) 4 SSW 4 SSW 4 SSW 4 SW 5 WSW 4 WSW 4 SW 4 SW
UV Index 2 3 4 5 5 5 4 3
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 66° 68° 70° 68° 68° 70° 72° 72°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 86° 79° N/A 83°
Low 67° 60° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:18 AM with 13:06 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:59 PM with 14:04 of moolight, then sets at 12:03 PM

Arlington Heights Weather Report

Chicago: More Foggy Mornings in Store as Heat Holds on

September 2, 2015; 12:21 AM ET

Chicagoans can expect to begin September with a stretch of higher temperatures, increasing humidity and more foggy mornings. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps