• Tonight

    Sep 18

    Lo 49°

    Clear

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

    Sep 19

    74°Lo 59°

    Partly sunny and breezy

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

    Sep 20

    79°Lo 58°

    Warmer; a strong p.m. t-storm

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

    Sep 21

    72°Lo 48°

    Periods of sun; less humid

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      46%
    more
  • Mon

    Sep 22

    70°Lo 49°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      50%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 57° 63° 67° 69° 72° 73° 74° 73°
RealFeel® 54° 61° 66° 69° 70° 71° 71° 70°
Humidity 78% 69% 60% 53% 48% 44% 43% 43%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
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) 8 SSE 9 SSE 11 SSE 13 SSE 15 SSE 16 S 16 S 16 S
UV Index 1 2 4 4 5 4 4 2
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 50° 52° 53° 52° 51° 50° 50° 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

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 74° 74° N/A 90°
Low 59° 53° N/A 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 12:18 of sunlight, then sets at 6:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:19 AM with 14:07 of moolight, then sets at 4:26 PM

Top Story

Naperville 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