| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Thu, 08/20/2026 5:48 am EDT | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued August 20 at 2:38AM EDT until August 21 at 2:00AM EDT
| Today |
A slight chance of rain showers between 2pm and 5pm, then showers and thunderstorms likely. Mostly sunny. High near 83, with temperatures falling to around 78 in the afternoon. North wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
Showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. Northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. |
| Friday |
A chance of rain showers before 5pm. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Northeast wind 8 to 12 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
Rain showers likely after 2am. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday |
Rain showers before 2pm, then showers and thunderstorms. Cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Saturday Night |
Rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Sunday |
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 60%. |
| Sunday Night |
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64. Chance of precipitation is 30%. |
| Monday |
Sunny, with a high near 81. |
| Monday Night |
Mostly clear, with a low around 61. |
| Tuesday |
Sunny, with a high near 80. |
| Tuesday Night |
Mostly clear, with a low around 63. |
| Wednesday |
Sunny, with a high near 80. |
| Wednesday Night |
A chance of rain showers after 8pm. Partly cloudy, with a low around 65. |
Forecast from NOAA-NWS for North Bellport, NY.