• Tonight

    May 27

    Lo 59°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    May 28

    85°Lo 65°

    Mostly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    May 29

    82°Lo 59°

    Thundershower

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Sat

    May 30

    65°Lo 44°

    Occasional rain and a t-storm

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      84%
    more
  • Sun

    May 31

    67°Lo 46°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1pm
2pm 3pm 4pm 5pm 6pm 7pm 8pm
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 75° 77° 77° 77° 78° 76° 75° 74°
RealFeel® 75° 76° 77° 77° 77° 75° 73° 72°
Humidity 52% 49% 48% 47% 48% 50% 53% 56%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
5%
 
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%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 15 WNW 14 NW 14 NW 13 NNW 10 NW 9 NNW 7 NNW 6 NNW
UV Index 4 3 3 3 2 1 0 0
Cloud Cover 81% 95% 93% 83% 79% 39% 31% 23%
Dew Point 56° 57° 56° 56° 57° 56° 57° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 78° 76° 94° (2012) 83°
Low 59° 53° 32° (1992) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:28 AM with 14:51 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:33 PM with 12:10 of moolight, then sets at 2:43 AM

Peru Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 2:24 PM ET

Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps