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    • Today

      Sep 25

      67° /52°
      Plenty of sunshine
      • Poor
      • for home energy
      • Avg RealFeel: 59°
      • Hi RealFeel: 68°
      • Wind Speed: 9 mph
      More
    • Mon

      Sep 26

      67° /62°
      Sunny to partly cloudy
      • Poor
      • for home energy
      • Avg RealFeel: 64°
      • Hi RealFeel: 71°
      • Wind Speed: 7 mph
      More
    • Tue

      Sep 27

      71° /59°F
      Morning rain
      • Poor
      • for home energy
      • Avg RealFeel: 65°
      • Hi RealFeel: 71°
      • Wind Speed: 10 mph
    • Wed

      Sep 28

      72° /63°
      Rain and drizzle in the p.m.
      • Poor
      • for home energy
      • Avg RealFeel: 66°
      • Hi RealFeel: 70°
      • Wind Speed: 10 mph
      More
    • Thu

      Sep 29

      74° /60°
      Mostly cloudy and humid
      • Poor
      • for home energy
      • Avg RealFeel: 65°
      • Hi RealFeel: 74°
      • Wind Speed: 10 mph
      More

    Day

    71°Hi RealFeel® 71° Precipitation 65%
    Periods of rain in the morning, then clouds giving way to some sun in the afternoon
    • SW 10 mph
    • Gusts: 17 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 19%
    • Precipitation: 0.24 in
    • Rain: 0.24 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3 hrs
    • Hours of Rain: 3 hrs

    Night

    59°Lo RealFeel® 58° Precipitation 25%
    Increasing clouds
    • NW 6 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 3%
    • 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 9/27/2015
    High 71° 69° N/A 70°
    Low 59° 48° N/A 46°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:37 PM
    • Duration: 11:55 hr

    Moonrise/Moonset

    • Moonrise: 3:17 AM
    • Moonset: 5:02 PM
    • Duration: 13:45 hr
    Astronomy

    Sag Harbor Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 25, 2016; 10:29 AM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >

    Tue. Home Energy Efficiency

    Tue. Degree Days

    Tue. UV Index