• Today

    May 27

    78°Lo 59°

    Mostly sunny and seasonable

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

    May 28

    86°Lo 64°

    Mostly sunny and warm

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

    May 29

    84°Lo 60°

    Clouds and sun with a t-storm

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

    May 30

    66°Lo 43°

    Occasional rain and a t-storm

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      83%
    more
  • Sun

    May 31

    68°Lo 48°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 67° 70° 73° 74° 75° 76° 78° 78°
RealFeel® 67° 72° 76° 77° 79° 80° 81° 81°
Humidity 73% 66% 60% 55% 52% 49% 48% 47%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
7%
 
7%
 
7%
 
7%
 
5%
 
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) 12 WSW 12 WSW 12 WSW 12 WSW 12 W 10 W 9 W 8 WNW
UV Index 3 4 5 7 7 7 6 5
Cloud Cover 44% 37% 31% 29% 26% 25% 25% 25%
Dew Point 58° 59° 59° 57° 56° 56° 57° 56°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 78° 76° 95° (1911) 83°
Low 59° 54° 33° (1895) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 14:51 of sunlight, then sets at 8:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:32 PM with 12:10 of moolight, then sets at 2:42 AM

Ottawa Weather Report

Chicago: Temperatures to Take Dramatic Swing at Late Week

May 27, 2015; 4:24 AM 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