Marine Weather Net

Stony Brook, NY Weather Forecast




Stony Brook, New York

 Lat: 40.91N, Lon: 73.13W

Current Conditions Updated: 456 PM EDT MON OCT 6 2025

Mostly Clear
Temp: 73°F
  • Humidity:
  • 68%
  • Winds:
  • 14 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.24 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 6:52 AM EDT
  • Sunset:
  • 6:26 PM EDT
  • Moonrise:
  • 6:05 PM EDT
  • Moonset:
  • 6:09 AM EDT

THIS AFTERNOON

SUNNY

Hi: 80°F
Lo: 60°F

TUESDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 61°F

WEDNESDAY

CHANCE OF SHOWERS
Hi: 70°F
Lo: 45°F
Precip: 30%

THURSDAY

SUNNY

Hi: 61°F
Lo: 45°F
Weather Forecast In Detail:
Forecast Issued: 215 PM EDT Mon Oct 06 2025

This Afternoon...Sunny. Highs around 80. South winds 5 to 10 mph.
Tonight...Clear. Lows around 60. South winds 5 to 10 mph.
Tuesday...Mostly sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph.
Tuesday Night...Cloudy. A slight chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Wednesday...Cloudy with a 30 percent chance of showers. Locally heavy rainfall possible. Highs around 70. Southwest winds 10 to 15 mph, becoming northwest in the afternoon.
Wednesday Night...Mostly clear. Cooler with lows in the mid 40s.
Thursday...Sunny. Highs in the lower 60s.
Thursday Night...Clear. Lows in the mid 40s.
Friday...Sunny. Highs in the mid 60s.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Saturday...Partly sunny. Highs in the mid 60s.
Saturday Night...Mostly cloudy. A chance of rain after midnight. Lows in the lower 50s. Chance of rain 30 percent.
Sunday...Partly sunny with a 30 percent chance of rain. Highs in the mid 60s.
Sunday Night...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 50s.
Columbus Day...Partly sunny with a 40 percent chance of rain. Highs in the upper 60s.
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