| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Sat, 09/12/2026 2:46 pm EDT | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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Flood Watch issued September 12 at 3:05PM EDT until September 13 at 2:00PM EDT
| This Afternoon |
Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. South wind around 9 mph. |
| Tonight |
Showers and thunderstorms likely after 2am. Some of the storms could produce heavy rain. Mostly cloudy. Low around 65, with temperatures rising to around 68 overnight. Southeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible. |
| Sunday |
Showers and thunderstorms before 5pm. Some of the storms could produce heavy rain. Mostly cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Southwest wind around 8 mph. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible. |
| Sunday Night |
A chance of rain showers after 2am. Partly cloudy. Low around 64, with temperatures rising to around 67 overnight. West wind 2 to 7 mph. Chance of precipitation is 30%. |
| Monday |
A chance of rain showers before 11am. Mostly sunny. High near 73, with temperatures falling to around 71 in the afternoon. Northwest wind 8 to 13 mph. Chance of precipitation is 30%. |
| Monday Night |
Mostly clear, with a low around 56. |
| Tuesday |
Sunny, with a high near 71. |
| Tuesday Night |
Mostly clear, with a low around 56. |
| Wednesday |
Mostly sunny, with a high near 74. |
| Wednesday Night |
Mostly clear, with a low around 61. |
| Thursday |
Mostly sunny, with a high near 77. |
| Thursday Night |
Partly cloudy, with a low around 63. |
| Friday |
A slight chance of rain showers after 2pm. Partly sunny, with a high near 77. |
| Friday Night |
A chance of rain showers. Mostly cloudy, with a low around 59. |
Forecast from NOAA-NWS for North Bellport, NY.