• Today

    May 1

    50°Lo 41°

    Mostly cloudy and cool

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    May 2

    56°Lo 37°

    Warmer with variable clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    May 3

    64°Lo 46°

    Partly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    May 4

    53°Lo 38°

    Cooler with a shower

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    May 5

    60°Lo 42°

    Partly sunny and breezy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Mostly Sunny
Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 42° 41° 42° 45° 47° 50° 52° 53°
RealFeel® 37° 36° 38° 41° 45° 50° 54° 56°
Humidity 85% 83% 80% 75% 70% 67% 65% 61%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
9%
 
9%
 
6%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 8 N 8 N 8 NNE 8 NNE 9 NNE 9 NE 10 NE 10 NE
UV Index 0 0 0 1 2 4 5 5
Cloud Cover 52% 25% 7% 70% 70% 70% 70% 70%
Dew Point 38° 36° 37° 37° 38° 39° 41° 40°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 56° 62° N/A 75°
Low 37° 43° N/A 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:45 AM with 14:09 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:22 AM with 11:40 of moolight, then sets at 3:02 PM

Grayslake Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 3:54 PM ET

The start of May will bring a fluctuation in temperatures throughout the week in Chicago. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps