• Sat

    Jul 18

    89°Lo 70°

    Warmer with some sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      42%
    more
  • Sun

    Jul 19

    87°Lo 64°

    Mostly sunny and very warm

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      18%
    more
  • Mon

    Jul 20

    76°Lo 62°

    Turning colder and less humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      50%
  • Tue

    Jul 21

    74°Lo 62°

    Sunny

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      2%
    more
  • Wed

    Jul 22

    75°Lo 64°

    Times of clouds and sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      67%
    more
Next Previous
Hi 76° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • ENE 10 mph
  • Gusts: 21 mph

Turning colder and less humid with times of clouds and sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 21%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 62° RealFeel® 58° Precipitation 56%

Night

N

E

S

W

  • NE 10 mph
  • Gusts: 20 mph

Mostly cloudy with a bit of rain

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Jul 20

more Historical Weather Data >
  Today Normal Record 7/20/2014
High 76° 81° N/A 78°
Low 62° 60° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:34 AM with 14:51 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:08 AM with 12:36 of moolight, then sets at 10:44 PM

Crystal Lake Weather Report

Chicago: Sunny, Comfortable Conditions for July Fourth Weekend

July 4, 2015; 1:01 AM ET

The holiday weekend will feature mostly sunny skies and seasonable weather for residents living in the Chicago area. more >