National Weather Service Forecast for: North Bellport, NY
Issued by: National Weather Service New York/Upton, NY
Updated: Sat, 01/31/2026 2:07 am EST
Bellport
 
Today

Today: Partly Sunny
Partly Sunny
Sunday

Sunday: Slight Chance Light Snow
Slight Chance Light Snow
Monday

Monday: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny then Slight Chance Light Snow
Mostly Sunny then Slight Chance Light Snow
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Mostly Sunny then Slight Chance Light Snow
Mostly Sunny then Slight Chance Light Snow
 
Hi 21 °F Hi 25 °F Hi 31 °F Hi 31 °F Hi 31 °F Hi 29 °F Hi 31 °F  
 
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Slight Chance Light Snow then Partly Cloudy
Slight Chance Light Snow then Partly Cloudy
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Chance Light Snow
Chance Light Snow
 
Lo 12 °F Lo 15 °F Lo 16 °F Lo 18 °F Lo 16 °F Lo 15 °F Lo 18 °F  

Cold Weather Advisory issued January 31 at 1:59AM EST until February 1 at 10:00AM EST
 

Today
 
Partly sunny, with a high near 21. Wind chill values as low as -6. Northwest wind 5 to 8 mph.
Tonight
 
Mostly cloudy, with a low around 12. Wind chill values as low as -3. North wind 6 to 16 mph, with gusts as high as 26 mph.
Sunday
 
A slight chance of snow between 7am and 1pm. Mostly cloudy, with a high near 25. Wind chill values as low as -6. North wind 16 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Sunday Night
 
Mostly cloudy, with a low around 15. Wind chill values as low as 3. Northwest wind 12 to 16 mph.
Monday
 
Mostly sunny, with a high near 31. Northwest wind 9 to 13 mph.
Monday Night
 
Mostly clear, with a low around 16.
Tuesday
 
Sunny, with a high near 31.
Tuesday Night
 
Partly cloudy, with a low around 18.
Wednesday
 
A slight chance of snow after 1pm. Mostly sunny, with a high near 31.
Wednesday Night
 
A slight chance of snow before 7pm. Partly cloudy, with a low around 16.
Thursday
 
Mostly sunny, with a high near 29.
Thursday Night
 
Partly cloudy, with a low around 15.
Friday
 
A slight chance of snow after 1pm. Mostly sunny, with a high near 31.
Friday Night
 
A chance of snow. Mostly cloudy, with a low around 18.

 

Forecast from NOAA-NWS for North Bellport, NY.