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Conditions at
LOT 40 (SOUTH P)
Stony Brook University Stony Brook, New York USA

40.89497o North, 73.124197

Latitude 40o53.7' North
Longitude 73o7.4' West

A service of LIShore.

Page last updated 05/17/2025 12:00 EDT

Station now reporting in zone local (EDT/EST).
Heat index and wind chill displays have been added.
Weather Observations at Lot 40 (South P) Soccer Building
Time 05/17 12:00 EDT Maximum, last 24 hr Minimum, last 24 hr
Average wind speed 9 mph 4 mph
at 05/17 10:25
Wind gust 20 mph 9 mph
at 05/17 10:37
Wind direction S : 182 deg true    
Air temperature 69.1 deg F (20.6 deg C) 70.3 deg F (21.3 deg C)
at 05/17 11:04 		60.6 deg F (15.9 deg C)
at 05/17 02:24
Relative humidity 87 % 98 %
at 05/17 05:04 		84 %
at 05/17 11:05
Barometric pressure 29.93 in Hg (1013 mbar) 29.93 in Hg (1013 mbar)
at 05/16 22:49 		29.78 in Hg (1008 mbar)
at 05/17 11:59
Barometric pressure trend Falling    
Rainfall last 24 hours 0    
Heat index 69.1 deg F (20.6 deg C) 70.3 deg F (21.3 deg C)
at 05/17 11:04 		 
Wind chill 69.1 deg F (20.6 deg C)   59.9 deg F (15.5 deg C)
at 05/16 22:15

Weather Forecast for Stony Brook, NY

This
Afternoon
This Afternoon: Isolated Showers And Thunderstorms
Isolated Showers And T-Storms
Hi 78 °F
Tonight

Tonight: Isolated Showers And Thunderstorms then Partly Cloudy
Isolated Showers And T-Storms then Partly Cloudy
Lo 59 °F
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Hi 72 °F
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Lo 55 °F
Monday

Monday: Sunny
Sunny
Hi 74 °F
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Lo 50 °F

Phase of the Moon

Sunrise: 05:30 AM EDT
Sunset: 08:06 PM EDT

NOTES:

  1. Real-time data are unchecked and preliminary. Please read this disclaimer.
  2. Weather forecast provided by the US National Weather Service in Upton, NY.
  3. Email your comments to webmaster@lishore.org and help us keep LIShore running.
    Thanks to those who have already written.

Current Radar over Long Island
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