How to help: Donate now to assist victims of the 2017 hurricane season

           , °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Sep 23

      67° Lo
      Clear and mild
      • Stargazing
      • Weather
      • Cloud Cover: 2%
      • Precip: 3%
      • Hours of Precip: 0
      More
    • Sun

      Sep 24

      89° /62°
      Sunny and very warm
      • Excellent
      • for stargazing
      • Cloud Cover: 1%
      • Precip: 7%
      • Hours of Precip: 0
      More
    • Mon

      Sep 25

      88° /64°
      Partly sunny and very warm
      • Excellent
      • for stargazing
      • Cloud Cover: 13%
      • Precip: 9%
      • Hours of Precip: 0
      More
    • Tue

      Sep 26

      86° /62°
      Partly sunny with a shower
      • Poor
      • for stargazing
      • Cloud Cover: 81%
      • Precip: 40%
      • Hours of Precip: 2
      More
    • Wed

      Sep 27

      71° /49°F
      Partly sunny and cooler
      • Very Good
      • for stargazing
      • Cloud Cover: 43%
      • Precip: 14%
      • Hours of Precip: 0

    Day

    71°Hi RealFeel® 77° Precipitation 22%
    Cooler but pleasant with intervals of clouds and sunshine
    • Winds from the
    • NW 8 mph
    • Gusts: 13 mph
    • Max UV Index: 13 (Extreme)
    • Thunderstorms: 6%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    49°Lo RealFeel® 47° Precipitation 14%
    Patchy clouds
    • Winds from the
    • WNW 6 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2016
    High 71° 68° N/A 69°
    Low 49° 49° N/A 49°

    Sunrise/Sunset

    • Sunrise: 6:45 AM
    • Sunset: 6:41 PM
    • Duration: 11:56 hr

    Moonrise/Moonset

    • Moonrise: 1:46 PM
    • Moonset: 11:33 PM
    • Duration: 9:47 hr
    Astronomy

    Solunar Information for Grayslake, IL

    Thu, Sep 28
    First
    Thu, Oct 5
    Full
    Thu, Oct 12
    Last
    Thu, Oct 19
    New

    Wed. Stargazing