• Fri

    Sep 18

    65°Lo 48°

    Sun and clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      69%
    more
  • Sat

    Sep 19

    64°Lo 51°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      28%
    more
  • Sun

    Sep 20

    65°Lo 50°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      57%
    more
  • Mon

    Sep 21

    65°Lo 46°

    Periods of rain

    Ragweed Pollen Weather
    • Precip
      64%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      98%
  • Tue

    Sep 22

    67°Lo 40°

    Clouds giving way to some sun

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      58%
    more
Next Previous
Hi 65° RealFeel® 65° Precipitation 64%

Day

N

E

S

W

  • SSW 7 mph
  • Gusts: 14 mph

Periods of rain

  • Max UV Index: 2 (Low)
  • Thunderstorms: 8%
  • Precipitation: 0.19 in
  • Rain: 0.19 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 46° RealFeel® 44° Precipitation 81%

Night

N

E

S

W

  • ENE 4 mph
  • Gusts: 5 mph

Rain

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.64 in
  • Rain: 0.64 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 9 hrs
  • Hours of Rain: 9 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2014
High 65° 70° N/A 65°
Low 46° 46° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:14 of sunlight, then sets at 6:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:17 PM with 10:02 of moolight, then sets at 12:19 AM

Crystal Lake Weather Report

Chicago: Sun, Humidity to Grip Region Before Stormy Labor Day

September 3, 2015; 12:03 PM ET

As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >