| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Sun, 08/23/2026 3:21 am EDT | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 79. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
Mostly clear, with a low around 63. Southwest wind 3 to 8 mph. |
| Monday |
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. Southwest wind 3 to 12 mph. |
| Monday Night |
Mostly clear, with a low around 61. West wind 5 to 9 mph. |
| Tuesday |
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. West wind 6 to 12 mph. |
| Tuesday Night |
Mostly clear, with a low around 61. |
| Wednesday |
Sunny, with a high near 79. |
| Wednesday Night |
Partly cloudy, with a low around 66. |
| Thursday |
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 80. |
| Thursday Night |
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. |
| Friday |
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%. |
| Friday Night |
A slight chance of rain showers. Partly cloudy, with a low around 67. |
| Saturday |
A slight chance of rain showers before 8am. Mostly sunny, with a high near 81. |
| Saturday Night |
Partly cloudy, with a low around 63. |
Forecast from NOAA-NWS for North Bellport, NY.