National Weather Service Forecast for: North Bellport, NY
Issued by: National Weather Service New York/Upton, NY
Updated: Mon, 01/19/2026 9:44 am EST
Bellport
 
M.L. King
Jr. Day
M.L. King Jr. Day: Mostly Sunny
Mostly Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Slight Chance Light Rain
Slight Chance Light Rain
Friday

Friday: Partly Sunny
Partly Sunny
Saturday

Saturday: Slight Chance Light Snow
Slight Chance Light Snow
Sunday

Sunday: Chance Light Snow
Chance Light Snow
 
Hi 32 °F Hi 22 °F Hi 38 °F Hi 41 °F Hi 31 °F Hi 21 °F Hi 20 °F  
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Thursday
Night
Thursday Night: Slight Chance Light Rain then Partly Cloudy
Slight Chance Light Rain then Partly Cloudy
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy
Saturday
Night
Saturday Night: Slight Chance Light Snow
Slight Chance Light Snow
Sunday
Night
Sunday Night: Chance Light Snow
Chance Light Snow
 
Lo 16 °F Lo 12 °F Lo 29 °F Lo 22 °F Lo 10 °F Lo 6 °F Lo 10 °F  

 

M.L. King Jr. Day
 
Mostly sunny, with a high near 32. Wind chill values as low as 19. West wind 12 to 15 mph, with gusts as high as 26 mph.
Tonight
 
Mostly clear. Low around 16, with temperatures rising to around 18 overnight. Wind chill values as low as 6. West wind around 13 mph, with gusts as high as 28 mph.
Tuesday
 
Sunny. High near 22, with temperatures falling to around 20 in the afternoon. Wind chill values as low as 4. West wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
 
Mostly clear, with a low around 12. Wind chill values as low as 5. West wind 3 to 9 mph, with gusts as high as 21 mph.
Wednesday
 
Mostly sunny. High near 38, with temperatures falling to around 32 in the afternoon. Southwest wind 3 to 10 mph.
Wednesday Night
 
Mostly cloudy. Low around 29, with temperatures rising to around 33 overnight.
Thursday
 
A slight chance of rain after 7am. Mostly sunny, with a high near 41.
Thursday Night
 
A slight chance of rain before 7pm. Partly cloudy, with a low around 22.
Friday
 
Partly sunny, with a high near 31.
Friday Night
 
Mostly cloudy, with a low around 10.
Saturday
 
A slight chance of snow after 7am. Mostly sunny, with a high near 21.
Saturday Night
 
A slight chance of snow. Mostly cloudy, with a low around 6.
Sunday
 
A chance of snow. Partly sunny, with a high near 20. Chance of precipitation is 30%.
Sunday Night
 
A chance of snow. Mostly cloudy, with a low around 10.

 

Forecast from NOAA-NWS for North Bellport, NY.