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    • Today

      Sep 25

      67° /52°
      Plenty of sunshine
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      67° /62°F
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Tue

      Sep 27

      71° /59°
      Morning rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      72° /63°
      Rain and drizzle in the p.m.
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      74° /60°
      Mostly cloudy and humid
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Monday
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    Forecast Sunny Sunny Mostly Sunny Mostly Sunny Partly Sunny Cloudy Partly Cloudy Partly Cloudy
    Temp (°F) 66° 67° 67° 66° 65° 64° 63° 62°
    RealFeel® 71° 70° 67° 64° 62° 61° 61° 60°
    Wind (mph) 6 SSE 7 SSE 8 SSE 8 S 9 S 8 S 8 S 9 S
    precip
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    Rain
    0%
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    1%
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    Snow
    0%
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    Ice
    0%
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    SKY
    2pm
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    9pm
    UV Index 4 3 2 1 0 0 0 0
    Cloud Cover 6% 8% 13% 25% 43% 63% 30% 42%
    Humidity 44% 44% 45% 49% 52% 58% 62% 64%
    Dew Point 43° 45° 45° 46° 47° 49° 50° 50°
    Temp °F
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    70° 65° 60°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 67° 70° N/A 70°
    Low 62° 48° N/A 54°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:38 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 2:16 AM
    • Moonset: 4:26 PM
    • Duration: 14:10 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 >

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps