Marine Weather Net

East Setauket, NY Weather Forecast




East Setauket, New York

 Lat: 40.94N, Lon: 73.11W

Current Conditions Updated: 156 AM EDT TUE MAY 19 2026

Clear


Temp: 66°F
  • Humidity:
  • 83%
  • Winds:
  • 8 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.13 in.
  • Dewpoint:
  • 61°F
  • Heat index:
  • 66°F

  • Sunrise:
  • 5:29 AM EDT
  • Sunset:
  • 8:05 PM EDT
  • Moonrise:
  • 7:45 AM EDT
  • Moonset:
  • 11:53 PM EDT

TODAY

SUNNY

Hi: 89°F
Lo: 70°F

WEDNESDAY

SUNNY

Hi: 89°F
Lo: 57°F
Precip: 100%

THURSDAY

PARTLY SUNNY
Hi: 71°F
Lo: 55°F
Precip: 20%

FRIDAY

PARTLY SUNNY
Hi: 69°F
Lo: 51°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 222 AM EDT Tue May 19 2026

Today...Sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph this afternoon.
Tonight...Partly cloudy. Lows around 70. Southwest winds 10 to 15 mph.
Wednesday...Sunny in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Wednesday Night...Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Northwest winds 5 to 10 mph. Chance of rain near 100 percent.
Thursday...Partly sunny. A slight chance of showers in the morning. Cooler with highs in the lower 70s. North winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 20 percent.
Thursday Night...Mostly cloudy. Lows in the mid 50s.
Friday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
Friday Night...Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 70 percent.
Saturday...Showers. Highs in the mid 60s. Chance of rain 80 percent.
Saturday Night...Showers. Lows in the lower 50s. Chance of rain 80 percent.
Sunday...Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
Sunday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Memorial Day...Mostly cloudy. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 50 percent.
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