• Today

    Jul 1

    72°Lo 51°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      6 mph
  • Thu

    Jul 2

    73°Lo 53°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      10 mph
    more
  • Fri

    Jul 3

    77°Lo 55°

    Partly sunny and nice

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Jul 4

    82°Lo 59°

    Sunny and comfortable

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Jul 5

    84°Lo 65°

    Nice with plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Sunny
Partly Sunny
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 56° 56° 59° 61° 64° 67° 69° 70°
RealFeel® 55° 57° 60° 64° 68° 71° 73° 76°
Humidity 94% 92% 93% 82% 75% 69% 62% 58%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 5 NE 5 NE 5 NE 5 NNE 5 NNE 5 N 5 NNE 5 NNE
UV Index 0 1 0 1 2 3 3 4
Cloud Cover 45% 45% 93% 90% 90% 93% 96% 90%
Dew Point 54° 54° 57° 56° 56° 57° 55° 55°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Jul 1

more Historical Weather Data >
  Today Normal Record 7/1/2014
High 72° 81° N/A 76°
Low 51° 59° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:20 AM with 15:14 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:03 PM with 10:04 of moolight, then sets at 6:07 AM

Crystal Lake Weather Report

Chicago: Brief Cooldown to Precede Sunny Holiday Weekend

July 1, 2015; 6:00 AM ET

The Chicago area will experience a drop in temperatures into late week before a mostly sunny Independence Day unfolds. 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.

Wed. Home Energy Efficiency

Wed. Degree Days

Wed. UV Index