• Mon

    Oct 27

    69°Lo 53°

    Breezy with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      14 mph
    more
  • Tue

    Oct 28

    63°Lo 40°

    Mostly cloudy and breezy

    Poor for home energy
    • Avg
      RealFeel
      46°
    • Hi
      RealFeel
      58°
    • Wind
      Speed
      18 mph
    more
  • Wed

    Oct 29

    58°Lo 38°

    Clouds and sun

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      7 mph
    more
  • Thu

    Oct 30

    52°Lo 33°

    Mostly sunny

    Fair for home energy
    • Avg
      RealFeel
      41°
    • Hi
      RealFeel
      50°
    • Wind
      Speed
      8 mph
    more
  • Fri

    Oct 31

    45°Lo 39°

    Plenty of sunshine

    Fair for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      38°
    • Wind
      Speed
      9 mph
Next Previous
Hi 45° RealFeel® 38° Precipitation 0%

Day

N

E

S

W

  • ENE 9 mph
  • Gusts: 25 mph

Plenty of sunshine

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 39° RealFeel® 27° Precipitation 69%

Night

N

E

S

W

  • ENE 14 mph
  • Gusts: 25 mph

Mostly cloudy with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.21 in
  • Rain: 0.21 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Oct 31

more Historical Weather Data >
  Today Normal Record 10/31/2013
High 45° 54° N/A 62°
Low 39° 34° N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:25 AM with 10:23 of sunlight, then sets at 5:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:08 PM with 11:06 of moolight, then sets at 1:14 AM

Crystal Lake Weather Report

Chicago: Temperatures to Gradually Rise Into the Weekend

October 22, 2014; 6:40 AM ET

Temperatures will gradually rise into the weekend in Chicago. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.