National Weather Service Forecast for: Stony Brook, NY
Issued by: National Weather Service New York/Upton, NY
Updated: 3:14 am EST Dec 22, 2024

Stony Brook, NY
 
  Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Chance Light Snow
Chance Light Snow
Christmas
Day
Christmas Day: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Partly Sunny
Partly Sunny
Friday

Friday: Partly Sunny
Partly Sunny
Saturday

Saturday: Slight Chance Snow Showers then Slight Chance Rain Showers
Slight Chance Snow Showers then Slight Chance Rain Showers
  Hi 24 °F Hi 32 °F Hi 41 °F Hi 37 °F Hi 40 °F Hi 42 °F Hi 43 °F
 
Overnight

Overnight: Clear
Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Mostly Cloudy then Chance Light Snow
Mostly Cloudy then Chance Light Snow
Tuesday
Night
Tuesday Night: Slight Chance Light Rain then Partly Cloudy
Slight Chance Light Rain then Partly Cloudy
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Thursday
Night
Thursday Night: Mostly Cloudy
Mostly Cloudy
Friday
Night
Friday Night: Mostly Cloudy then Slight Chance Snow Showers
Mostly Cloudy then Slight Chance Snow Showers
 
Lo 14 °F Lo 14 °F Lo 27 °F Lo 25 °F Lo 27 °F Lo 29 °F Lo 32 °F  

 

Overnight
 
Clear. Low around 14, with temperatures rising to around 18 overnight. Wind chill values as low as 4. Northwest wind around 14 mph.
Sunday
 
Sunny. High near 24, with temperatures falling to around 22 in the afternoon. Wind chill values as low as 1. Northwest wind 12 to 15 mph, with gusts as high as 26 mph.
Sunday Night
 
Clear, with a low around 14. Wind chill values as low as 4. North wind 5 to 10 mph.
Monday
 
Sunny, with a high near 32. Wind chill values as low as 8. West wind around 5 mph.
Monday Night
 
A chance of snow after 1am. Mostly cloudy. Low around 27, with temperatures rising to around 33 overnight. Southwest wind around 7 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Tuesday
 
A chance of snow before 1pm, then a slight chance of rain. Partly sunny. High near 41, with temperatures falling to around 39 in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Tuesday Night
 
A slight chance of rain before 7pm. Partly cloudy, with a low around 25.
Christmas Day
 
Mostly sunny, with a high near 37.
Wednesday Night
 
Mostly cloudy, with a low around 27.
Thursday
 
Partly sunny, with a high near 40.
Thursday Night
 
Mostly cloudy, with a low around 29.
Friday
 
Partly sunny, with a high near 42.
Friday Night
 
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 32.
Saturday
 
A slight chance of snow showers before 7am, then a slight chance of rain showers. Partly sunny, with a high near 43.

 

Forecast from NOAA-NWS for Stony Brook, NY.