• Today

    Sep 19

    73°Lo 59°

    Mostly sunny

    Good for stargazing
    • Cloud
      Cover
      51%
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    77°Lo 57°

    Heavy thunderstorms

    Poor for stargazing
    • Cloud
      Cover
      76%
    • Precip
      25%
    • Hours of Precip
      3
  • Sun

    Sep 21

    69°Lo 46°

    Breezy with clouds breaking

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Mon

    Sep 22

    69°Lo 47°

    Times of clouds and sun

    Excellent for stargazing
    • Cloud
      Cover
      0%
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    72°Lo 49°

    Mostly sunny

    Very Good for stargazing
    • Cloud
      Cover
      24%
    • Precip
      8%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
T-storms
Mostly Cloudy
Mostly Cloudy
Temp (°F) 68° 71° 72° 74° 77° 74° 75° 75°
RealFeel® 66° 70° 70° 73° 76° 72° 74° 74°
Humidity 80% 78% 77% 76% 70% 85% 78% 76%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
25%
 
47%
 
51%
 
47%
 
47%
 
51%
 
47%
 
48%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 12 SW 13 SW 13 SW 14 SW 15 SW 15 SW 13 SW 11 WSW
UV Index 2 3 3 4 3 3 2 1
Cloud Cover 76% 76% 76% 76% 76% 82% 77% 76%
Dew Point 62° 64° 65° 65° 66° 69° 68° 67°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 77° 71° N/A 73°
Low 57° 47° N/A 53°

Solunar Information for Crystal Lake, IL

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:16 of sunlight, then sets at 6:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:15 AM with 13:45 of moolight, then sets at 5:00 PM

Wed, Sep 24
New
Wed, Oct 1
First
Wed, Oct 8
Full
Wed, Oct 15
Last
Top Story

Crystal Lake Weather Report

Chicago: Thunderstorms to Precede More Cool Air

September 19, 2014; 1:24 PM ET

Chicago is facing the threat of some disruptive thunderstorms on Saturday. more >

Lunar Reconnaissance Orbiter Studies Moon

Sep 14, 2014; 5:00 AM ET We now know the topographical structure of the moon better than our own planet thanks to LRO.

Sat. Stargazing