National Weather Service Forecast for: North Bellport, NY
Issued by: National Weather Service New York/Upton, NY
Updated: Sat, 02/21/2026 3:48 pm EST
Bellport
 
This
Afternoon
This Afternoon: Partly Sunny
Partly Sunny
Sunday

Sunday: Snow
Snow
Monday

Monday: Heavy Snow And Areas Of Blowing Snow
Heavy Snow And Areas Of Blowing Snow
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Chance Light Snow
Chance Light Snow
Thursday

Thursday: Chance Light Rain
Chance Light Rain
Friday

Friday: Chance Light Rain
Chance Light Rain
 
Hi 47 °F Hi 36 °F Hi 34 °F Hi 30 °F Hi 39 °F Hi 41 °F Hi 39 °F  
 
Tonight

Tonight: Mostly Cloudy then Chance Light Snow
Mostly Cloudy then Chance Light Snow
Sunday
Night
Sunday Night: Heavy Snow And Areas Of Blowing Snow
Heavy Snow And Areas Of Blowing Snow
Monday
Night
Monday Night: Areas Of Blowing Snow
Areas Of Blowing Snow
Tuesday
Night
Tuesday Night: Mostly Cloudy
Mostly Cloudy
Wednesday
Night
Wednesday Night: Chance Light Rain
Chance Light Rain
Thursday
Night
Thursday Night: Chance Light Rain
Chance Light Rain
Friday
Night
Friday Night: Slight Chance Light Rain then Partly Cloudy
Slight Chance Light Rain then Partly Cloudy
 
Lo 31 °F Lo 27 °F Lo 22 °F Lo 17 °F Lo 30 °F Lo 29 °F Lo 26 °F  

Coastal Flood Warning issued February 21 at 2:44PM EST until February 23 at 4:00AM EST
Blizzard Warning issued February 21 at 1:02PM EST until February 23 at 6:00PM EST
Coastal Flood Watch issued February 20 at 4:27PM EST until February 23 at 4:00AM EST
 

This Afternoon
 
Partly sunny. High near 47, with temperatures falling to around 43 in the afternoon. Northwest wind around 8 mph.
Tonight
 
A chance of snow after 1am. Mostly cloudy. Low around 31, with temperatures rising to around 33 overnight. North wind 2 to 6 mph. Chance of precipitation is 30%.
Sunday
 
Snow. Cloudy. High near 36, with temperatures falling to around 33 in the afternoon. Wind chill values as low as 23. East wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
 
Snow before 10pm, then snow and areas of blowing snow. Cloudy. Low around 27, with temperatures rising to around 30 overnight. Wind chill values as low as 15. Northeast wind 15 to 31 mph, with gusts as high as 54 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Monday
 
Snow and areas of blowing snow. Cloudy. High near 34, with temperatures falling to around 31 in the afternoon. North wind 22 to 31 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Monday Night
 
Areas of blowing snow and a chance of snow before 1am. Mostly cloudy. Low around 22, with temperatures rising to around 24 overnight. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Tuesday
 
Mostly sunny, with a high near 30.
Tuesday Night
 
Mostly cloudy, with a low around 17.
Wednesday
 
A chance of snow between 7am and 1pm, then a chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Wednesday Night
 
A chance of rain. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
 
A chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Thursday Night
 
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 60%.
Friday
 
A chance of rain. Partly sunny, with a high near 39. Chance of precipitation is 60%.
Friday Night
 
A slight chance of rain before 7pm. Partly cloudy, with a low around 26.

 

Forecast from NOAA-NWS for North Bellport, NY.