Marine Weather Net

East Setauket, NY Weather Forecast




East Setauket, New York

 Lat: 40.94N, Lon: 73.11W

Current Conditions Updated: 1056 AM EDT WED SEP 9 2026

Mostly Cloudy
Temp: 77°F
  • Humidity:
  • 73%
  • Winds:
  • 10 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.22 in.
  • Dewpoint:
  • 68°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 6:24 AM EDT
  • Sunset:
  • 7:12 PM EDT
  • Moonrise:
  • 4:33 AM EDT
  • Moonset:
  • 6:28 PM EDT

TODAY

PARTLY CLOUDY
Hi: 81°F
Lo: 71°F

THURSDAY

PARTLY SUNNY
Hi: 85°F
Lo: 65°F
Precip: 20%

FRIDAY

SUNNY

Hi: 79°F
Lo: 61°F

SATURDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 535 AM EDT Wed Sep 09 2026

Today...Partly cloudy. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 30 mph.
Tonight...Partly cloudy. A slight chance of showers after midnight. Lows in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
Thursday...Partly sunny. A slight chance of showers in the morning. Humid with highs in the mid 80s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Thursday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the mid 60s. Northwest winds 5 to 10 mph.
Friday...Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Friday Night...Mostly clear. Lows in the lower 60s.
Saturday...Mostly sunny. Highs in the upper 70s.
Saturday Night...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 40 percent.
Sunday...Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
Sunday Night...Mostly cloudy. Lows in the mid 60s.
Monday...Mostly sunny. Highs around 80.
Monday Night...Partly cloudy. Lows in the mid 60s.
Tuesday...Mostly sunny. Highs in the upper 70s.
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