• Today

    May 1

    52°Lo 40°

    Mostly cloudy

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      50°
    • Wind
      Speed
      13 mph
    more
  • Mon

    May 2

    59°Lo 36°

    Warmer with variable clouds

    Poor for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      10 mph
    more
  • Tue

    May 3

    68°Lo 46°

    Partly sunny and warmer

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      8 mph
    more
  • Wed

    May 4

    54°Lo 37°

    Cooler with a stray shower

    Poor for home energy
    • Avg
      RealFeel
      41°
    • Hi
      RealFeel
      51°
    • Wind
      Speed
      14 mph
  • Thu

    May 5

    57°Lo 36°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      48°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      10 mph
    more
Next Previous
Cooler 54° Lo 50° RealFeel® 51° / 44°

N

E

S

W

  • Precipitation: 44%
  • Rain: 0.04 in
  • Snow: 0 in
  • Humidity: 50%
  • Cloud Cover: 76%
  • Dew Point: 34° F
  • Visibility: 9 mi
14 mph

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 54° 64° N/A 71°
Low 37° 41° N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:44 AM with 14:13 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:34 AM with 12:55 of moolight, then sets at 5:29 PM

Crystal Lake Weather Report

Chicago: Temperature roller coaster in store for new week

May 1, 2016; 1:54 PM ET

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

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index