, °F

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    • Today

      Sep 29

      65° /57°F
      A little afternoon rain
      • Neutral
      • weather for migraines
      • Hi RealFeel: 62°
      • UV: 2 - Low
      • Cloud Cover: 95%
    • Fri

      Sep 30

      61° /58°
      Very windy; rain and drizzle
      • Neutral
      • weather for migraines
      • Hi RealFeel: 55°
      • UV: 2 - Low
      • Cloud Cover: 99%
      More
    • Sat

      Oct 1

      65° /60°
      Cloudy, a little rain; windy
      • Neutral
      • weather for migraines
      • Hi RealFeel: 61°
      • UV: 2 - Low
      • Cloud Cover: 99%
      More
    • Sun

      Oct 2

      68° /61°
      Cloudy with showers around
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 68°
      • UV: 2 - Low
      • Cloud Cover: 99%
      More
    • Mon

      Oct 3

      70° /58°
      A brief shower or two
      • Beneficial
      • weather for migraines
      • Hi RealFeel: 71°
      • UV: 4 - Moderate
      • Cloud Cover: 76%
      More
    Thursday
    1pm
    2pm
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    6pm
    7pm
    8pm
    Forecast Cloudy Cloudy Rain Cloudy Rain Cloudy Cloudy Cloudy
    Temp (°F) 64° 64° 65° 64° 62° 61° 60° 59°
    RealFeel® 62° 62° 59° 59° 55° 57° 55° 54°
    Wind (mph) 13 ENE 13 ENE 17 ENE 20 ENE 16 ENE 12 ENE 14 NE 12 NE
    precip
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    Rain
    10%
    47%
    51%
    43%
    51%
    47%
    43%
    43%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    UV Index 2 2 1 1 0 0 0 0
    Cloud Cover 94% 94% 94% 94% 94% 94% 94% 100%
    Humidity 77% 77% 77% 77% 77% 78% 81% 83%
    Dew Point 57° 57° 57° 56° 55° 54° 54° 54°
    Temp °F
    1pm
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    70° 65° 60° 55°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 65° 69° 81° (2015) 81°
    Low 57° 52° 41° (2000) 66°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 6:36 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:20 AM
    • Moonset: 6:09 PM
    • Duration: 12:49 hr
    Astronomy

    Holtsville Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 8:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday, while rain will spread over the balance of the northeastern United States into the weekend. More >

    Thu. Migraine Headache

    Thu. UV Index