National Weather Service Forecast for: North Bellport, NY
Issued by: National Weather Service New York/Upton, NY
Updated: Fri, 08/7/2026 2:51 am EDT
Bellport
 
  Friday

Friday: Patchy Fog then Sunny
Patchy Fog then Sunny
Saturday

Saturday: Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And T-Storms
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Wednesday

Wednesday: Chance Rain Showers
Chance Rain Showers
Thursday

Thursday: Chance Rain Showers
Chance Rain Showers
  Hi 87 °F Hi 86 °F Hi 87 °F Hi 86 °F Hi 88 °F Hi 84 °F Hi 84 °F
 
Overnight

Overnight: Patchy Fog
Patchy Fog
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday
Night
Saturday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday
Night
Wednesday Night: Chance Rain Showers
Chance Rain Showers
 
Lo 75 °F Lo 75 °F Lo 75 °F Lo 72 °F Lo 75 °F Lo 73 °F Lo 71 °F  

Heat Advisory issued August 7 at 2:47AM EDT until August 8 at 8:00PM EDT
Heat Advisory issued August 6 at 2:54PM EDT until August 8 at 8:00PM EDT
 

Overnight
 
Patchy fog. Mostly clear, with a low around 75. Southwest wind around 5 mph.
Friday
 
Patchy fog before 8am. Sunny. High near 87, with temperatures falling to around 85 in the afternoon. Heat index values as high as 96. Southwest wind 3 to 9 mph.
Friday Night
 
A chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 75. Southwest wind 3 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday
 
Patchy fog before 8am, then a slight chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Heat index values as high as 95. Southwest wind 5 to 12 mph. Chance of precipitation is 20%.
Saturday Night
 
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Southwest wind 6 to 12 mph. Chance of precipitation is 20%.
Sunday
 
Sunny. High near 87, with temperatures falling to around 85 in the afternoon.
Sunday Night
 
Mostly clear, with a low around 72.
Monday
 
Sunny, with a high near 86.
Monday Night
 
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 75.
Tuesday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Wednesday
 
A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
 
A chance of rain showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
 
A chance of rain showers. Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for North Bellport, NY.