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    • Wed

      Oct 19

      66° /52°
      Sunshine
      • Ragweed Pollen
      • Weather
      • Precip: 5%
      • Wind Speed: 13 mph
      • Cloud Cover: 3%
      More
    • Thu

      Oct 20

      61° /48°
      Partly sunny
      • Ragweed Pollen
      • Weather
      • Precip: 15%
      • Wind Speed: 8 mph
      • Cloud Cover: 68%
      More
    • Fri

      Oct 21

      57° /50°F
      Windy with rain at times
      • Ragweed Pollen
      • Weather
      • Precip: 66%
      • Wind Speed: 24 mph
      • Cloud Cover: 89%
    • Sat

      Oct 22

      64° /50°
      Mostly sunny
      • Ragweed Pollen
      • Weather
      • Precip: 16%
      • Wind Speed: 13 mph
      • Cloud Cover: 15%
      More
    • Sun

      Oct 23

      66° /46°
      Windy with clouds and sun
      • Ragweed Pollen
      • Weather
      • Precip: 25%
      • Wind Speed: 23 mph
      • Cloud Cover: 54%
      More

    Day

    57°Hi RealFeel® 48° Precipitation 66%
    Windy with rain at times
    • SW 24 mph
    • Gusts: 43 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.73 in
    • Rain: 0.73 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5.5 hrs
    • Hours of Rain: 5.5 hrs

    Night

    50°Lo RealFeel® 40° Precipitation 15%
    Clear to partly cloudy and windy
    • W 21 mph
    • Gusts: 34 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • 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 10/21/2015
    High 57° 62° N/A 74°
    Low 50° 39° N/A 45°

    Sunrise/Sunset

    • Sunrise: 7:08 AM
    • Sunset: 5:59 PM
    • Duration: 10:51 hr

    Moonrise/Moonset

    • Moonrise: 11:08 PM
    • Moonset: 1:45 PM
    • Duration: 14:37 hr
    Astronomy

    Sag Harbor Weather Report

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

    September 24, 2016; 6:53 PM 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 this weekend. More >