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National Weather Service Forecast for: Stony Brook, NY
Issued by: National Weather Service New York/Upton, NY
Updated: 3:43 am EDT Jun 23, 2017

Stony Brook, NY
 
Today

Today: Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms
Isolated Showers And T-Storms then Scattered Showers And T-Storms
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday

Sunday: Sunny then Slight Chance Rain Showers
Sunny then Slight Chance Rain Showers
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And T-Storms
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Sunny
Sunny
 
Hi 80 °F Hi 86 °F Hi 83 °F Hi 80 °F Hi 77 °F Hi 79 °F Hi 81 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Slight Chance Rain Showers then Partly Cloudy
Slight Chance Rain Showers then Partly Cloudy
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Wednesday
Night
Wednesday Night: Partly Cloudy
Partly Cloudy
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
 
Lo 73 °F Lo 66 °F Lo 63 °F Lo 61 °F Lo 59 °F Lo 61 °F Lo 66 °F  

 

Today
 
Isolated showers and thunderstorms between 8am and 10am, then scattered showers and thunderstorms between 10am and 3pm. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. South southwest wind 6 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A chance of showers and thunderstorms before 5am, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 73. Southwest wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Saturday
 
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 86. West southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
 
Mostly clear, with a low around 66. West northwest wind 3 to 12 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
Sunday
 
A slight chance of rain showers after 2pm. Sunny, with a high near 83. West wind 3 to 12 mph. Chance of precipitation is 20%.
Sunday Night
 
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Monday
 
Sunny, with a high near 80.
Monday Night
 
Partly cloudy, with a low around 61.
Tuesday
 
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
Tuesday Night
 
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 20%.
Wednesday
 
Mostly sunny, with a high near 79.
Wednesday Night
 
Partly cloudy, with a low around 61.
Thursday
 
Sunny, with a high near 81.
Thursday Night
 
Partly cloudy, with a low around 66.

 

Forecast from NOAA-NWS for Stony Brook, NY.

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