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Personalized Forecasts

Featured Forecast

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    My Recent Locations

    • Early AM

      Sep 20

      68° Lo
      Windy
      • Stargazing
      • Weather
      • Cloud Cover: 97%
      • Precip: 56%
      • Hours of Precip: 9.5
      More
    • Today

      Sep 20

      77° /67°F
      An a.m. shower or two; cloudy
      • Poor
      • for stargazing
      • Cloud Cover: 70%
      • Precip: 0%
      • Hours of Precip: 1
    • Thu

      Sep 21

      80° /62°
      Periods of clouds and sun
      • Very Good
      • for stargazing
      • Cloud Cover: 33%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Fri

      Sep 22

      78° /60°
      Partial sunshine
      • Very Good
      • for stargazing
      • Cloud Cover: 30%
      • Precip: 4%
      • Hours of Precip: 0
      More
    • Sat

      Sep 23

      83° /64°
      Sunny and very warm
      • Excellent
      • for stargazing
      • Cloud Cover: 0%
      • Precip: 6%
      • Hours of Precip: 0
      More

    Day

    77°Hi RealFeel® 77° Precipitation 55%
    A brief morning shower or two; otherwise, cloudy and breezy
    • Winds from the
    • N 20 mph
    • Gusts: 31 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    67°Lo RealFeel® 66° Precipitation 0%
    Partly cloudy
    • Winds from the
    • NNE 6 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • 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 9/20/2016
    High 77° 72° 82° (2000) 80°
    Low 67° 56° 44° (1993) 68°

    Sunrise/Sunset

    • Sunrise: 6:38 AM
    • Sunset: 6:54 PM
    • Duration: 12:16 hr

    Moonrise/Moonset

    • Moonrise: 6:52 AM
    • Moonset: 7:26 PM
    • Duration: 12:34 hr
    Astronomy

    Solunar Information for Stony Brook, NY

    Wed, Sep 20
    New
    Thu, Sep 28
    First
    Thu, Oct 5
    Full
    Thu, Oct 12
    Last

    Wed. Stargazing