• Early AM

    May 27

    Lo 69°

    A shower or thunderstorm

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

    May 27

    79°Lo 67°

    Couple of thunderstorms

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

    May 28

    82°Lo 66°

    A p.m. t-storm in spots

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

    May 29

    82°Lo 62°

    Partly sunny and warm

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

    May 30

    84°Lo 63°

    A thunderstorm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      N/A
    • Tree
      Pollen
      3 - Moderate
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
T-storms
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 69° 69° 68° 67° 69° 70° 71° 73°
RealFeel® 67° 63° 66° 66° 68° 69° 70° 71°
Humidity 86% 89% 90% 95% 91% 86% 81% 75%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
47%
 
51%
 
38%
 
32%
 
28%
 
20%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 13 S 12 S 13 S 13 S 13 S 14 S 16 S 17 S
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 92% 90% 89% 90% 93% 96% 99% 100%
Dew Point 65° 65° 65° 66° 67° 66° 65° 64°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

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; 3:12 AM 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