• Sun

    Aug 16

    77°Lo 59°

    Periods of rain

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      98%
    more
  • Mon

    Aug 17

    75°Lo 65°

    Mostly cloudy with a shower

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      74%
    more
  • Tue

    Aug 18

    77°Lo 65°

    Mainly cloudy and less humid

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      51%
    more
  • Wed

    Aug 19

    77°Lo 62°

    Brilliant sunshine

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      7%
    more
  • Thu

    Aug 20

    77°Lo 61°

    Cloudy

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      97%
Next Previous
Hi 77° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 12 mph

Cloudy

  • 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 61° RealFeel® 60° Precipitation 25%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Mostly cloudy

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

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2014
High 77° 80° N/A 82°
Low 61° 58° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 13:41 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:46 AM with 10:58 of moolight, then sets at 10:44 PM

Crystal Lake Weather Report

Chicago: Unsettled Weather to Make Early-Week Return

August 1, 2015; 4:38 AM ET

Temperatures will stay in the 80s, with the daytime high slowly working its way into the low 80s by Monday. more >