• Today

    Sep 21

    63°Lo 43°

    Partly sunny and cooler

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

    Sep 22

    67°Lo 47°

    Mostly sunny

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

    Sep 23

    72°Lo 50°

    Mostly sunny and pleasant

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

    Sep 24

    73°Lo 50°

    A full day of sunshine

    Moderate ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    Sep 25

    77°Lo 51°

    Sunshine and pleasant

    Ragweed Pollen Weather
    • Precip
      12%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Hi 63° RealFeel® 60° Precipitation 42%

Day

N

E

S

W

  • NNW 12 mph
  • Gusts: 24 mph

Breezy and cooler; a blend of sun and clouds with a shower in spots

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 43° RealFeel® 42° Precipitation 40%

Night

N

E

S

W

  • N 5 mph
  • Gusts: 11 mph

A shower in spots this evening; otherwise, mainly clear and colder

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Downers Grove Pollen Levels - September 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Moderate

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 63° 73° 92° (1970) 67°
Low 43° 52° 39° (1991) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:13 of sunlight, then sets at 6:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:10 AM with 13:18 of moolight, then sets at 5:28 PM

Top Story

Downers Grove Weather Report

Drier Air Heads into Chicago Following Storms

September 21, 2014; 5:00 AM ET

After storms clipped Chicagoland early Sunday, drier air will filter into the area for the rest of the week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps