• Tonight

    May 27

    Lo 67°

    A couple of thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      3 - Moderate
    more
  • Sat

    May 28

    82°Lo 66°

    A thunderstorm in spots

    Moderate ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      3 - Moderate
  • Sun

    May 29

    83°Lo 63°

    Partly sunny, breezy and warm

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      3 - Moderate
    more
  • Mon

    May 30

    85°Lo 64°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      3 - Moderate
    more
  • Tue

    May 31

    84°Lo 65°

    A t-storm in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 82° RealFeel® 81° Precipitation 40%

Day

N

E

S

W

  • S 16 mph
  • Gusts: 22 mph

Mostly cloudy; breezy, warm and humid with a shower or thunderstorm in spots in the afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 66° RealFeel® 63° Precipitation 40%

Night

N

E

S

W

  • SSW 12 mph
  • Gusts: 16 mph

Mostly cloudy, warm and muggy with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Peru Pollen Levels - May 28

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Moderate

  • Ragweed Pollen

    Moderate

  • Mold

    High

  • Grass Pollen

    High

Temperature History - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2015
High 82° 76° 95° (2006) 85°
Low 66° 53° 33° (1992) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 14:54 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:48 AM with 11:00 of moolight, then sets at 11:48 AM

Peru Weather Report

Chicago: Heat, humidity to unfold for Memorial Day

May 27, 2016; 11:03 PM ET

The unofficial start of summer will feel like the upcoming season on Monday in the Chicago area. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps