| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Thu, 05/21/2026 2:19 am EDT | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
A chance of rain showers. Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. North wind around 6 mph. Chance of precipitation is 30%. |
| Thursday |
Rain showers before 5pm. Cloudy. High near 66, with temperatures falling to around 63 in the afternoon. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
Mostly cloudy, with a low around 51. East wind 0 to 5 mph. |
| Friday |
Partly sunny. High near 66, with temperatures falling to around 63 in the afternoon. East wind 6 to 13 mph. |
| Friday Night |
Mostly cloudy, with a low around 50. East wind 3 to 8 mph. |
| Saturday |
Rain showers likely after 8am. Cloudy. High near 63, with temperatures falling to around 60 in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday Night |
Rain showers. Cloudy, with a low around 50. Chance of precipitation is 90%. |
| Sunday |
Rain showers. Cloudy, with a high near 66. Chance of precipitation is 90%. |
| Sunday Night |
A chance of rain showers. Cloudy, with a low around 55. Chance of precipitation is 50%. |
| Memorial Day |
A chance of rain showers. Cloudy, with a high near 73. Chance of precipitation is 50%. |
| Monday Night |
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. |
| Tuesday |
A chance of rain showers before 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 30%. |
| Tuesday Night |
Mostly cloudy, with a low around 59. |
| Wednesday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS for North Bellport, NY.