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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

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Stony Brook, NY

Sunday Sunny Monday Sunny Tuesday Chance Light Snow Christmas Day Mostly Sunny Thursday Partly Sunny Friday Partly Sunny Saturday 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 Clear Sunday Night Clear Monday Night Mostly Cloudy then Chance Light Snow Tuesday Night Slight Chance Light Rain then Partly Cloudy Wednesday Night Mostly Cloudy Thursday Night Mostly Cloudy Friday Night 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.

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