National Weather Service Forecast for: Stony Brook, NY
Issued by: National Weather Service New York/Upton, NY
Updated: 3:28 pm EDT Sep 26, 2024

Stony Brook, NY
 
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday

Friday: Chance Rain Showers then Mostly Cloudy
Chance Rain Showers then Mostly Cloudy
Saturday

Saturday: Chance Rain Showers
Chance Rain Showers
Sunday

Sunday: Slight Chance Rain Showers
Slight Chance Rain Showers
Monday

Monday: Partly Sunny
Partly Sunny
Tuesday

Tuesday: Chance Rain Showers
Chance Rain Showers
Wednesday

Wednesday: Chance Rain Showers
Chance Rain Showers
 
Hi 73 °F Hi 73 °F Hi 70 °F Hi 68 °F Hi 70 °F Hi 70 °F Hi 70 °F  
 
Tonight

Tonight: Showers And Thunderstorms
Showers And T-Storms
Friday
Night
Friday Night: Mostly Cloudy then Chance Rain Showers
Mostly Cloudy then Chance Rain Showers
Saturday
Night
Saturday Night: Chance Rain Showers
Chance Rain Showers
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday
Night
Monday Night: Chance Rain Showers
Chance Rain Showers
Tuesday
Night
Tuesday Night: Chance Rain Showers
Chance Rain Showers
Wednesday
Night
Wednesday Night: Chance Rain Showers
Chance Rain Showers
 
Lo 63 °F Lo 62 °F Lo 58 °F Lo 57 °F Lo 57 °F Lo 57 °F Lo 54 °F  

 

This Afternoon
 
A chance of showers and thunderstorms. Cloudy, with a high near 73. South wind around 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
Showers and thunderstorms before 2am, then patchy fog and showers and thunderstorms likely. Cloudy. Low around 63, with temperatures rising to around 65 overnight. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday
 
A chance of rain showers before noon. Mostly cloudy, with a high near 73. Northeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Friday Night
 
A chance of rain showers after 2am. Mostly cloudy, with a low around 62. East wind 3 to 8 mph. Chance of precipitation is 40%.
Saturday
 
A chance of rain showers. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. East wind 9 to 13 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night
 
A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
 
A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 68.
Sunday Night
 
Mostly cloudy, with a low around 57.
Monday
 
Partly sunny, with a high near 70.
Monday Night
 
A chance of rain showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Tuesday
 
A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Tuesday Night
 
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Wednesday
 
A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Wednesday Night
 
A chance of rain showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Stony Brook, NY.