• Today

    Apr 18

    62°Lo 46°

    Cooler with variable clouds

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      5 - Moderate
    more
  • Sun

    Apr 19

    56°Lo 45°

    Rain, becoming heavy; breezy

    At Extreme Risk weather for arthritis pain
    • Rain
      0.98 in
    • Hours of Precip
      12
    • UV
      3 - Moderate
    more
  • Mon

    Apr 20

    55°Lo 34°

    Variably cloudy with a shower

    At Risk weather for arthritis pain
    • Rain
      0.04 in
    • Hours of Precip
      1
    • UV
      4 - Moderate
  • Tue

    Apr 21

    50°Lo 33°

    Breezy with variable clouds

    Neutral weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      5 - Moderate
    more
  • Wed

    Apr 22

    50°Lo 31°

    Mostly cloudy and breezy

    Beneficial weather for arthritis pain
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      6 - High
    more
Next Previous
Hi 55° RealFeel® 50° Precipitation 55%

Day

N

E

S

W

  • WNW 17 mph
  • Gusts: 29 mph

Variable cloudiness, windy and cool with a passing shower

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 34° RealFeel® 19° Precipitation 18%

Night

N

E

S

W

  • W 15 mph
  • Gusts: 26 mph

Partly cloudy, breezy and chilly

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2014
High 55° 58° N/A 70°
Low 34° 39° N/A 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 13:35 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:31 AM with 14:31 of moolight, then sets at 10:02 PM

Grayslake Weather Report

Chicago: Rain to Span Second Half of Weekend

April 18, 2015; 5:11 AM ET

Weekend weather will be a combination of lower temperatures and significant rainfall, but Chicago will slowly pull out of the damp, cooler conditions through the new week. more >

Mon. Arthritis Pain

Mon. UV Index