| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Sun, 01/18/2026 8:25 pm EST | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Snow before 4am. Cloudy. Low around 25, with temperatures rising to around 27 overnight. Wind chill values as low as 21. Northwest wind 5 to 8 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible. |
| M.L. King Jr. Day |
Mostly sunny, with a high near 33. Wind chill values as low as 17. West wind 6 to 14 mph, with gusts as high as 24 mph. |
| Monday Night |
Mostly clear. Low around 17, with temperatures rising to around 19 overnight. Wind chill values as low as 6. West wind 12 to 15 mph, with gusts as high as 29 mph. |
| Tuesday |
Sunny. High near 24, with temperatures falling to around 22 in the afternoon. Wind chill values as low as 4. West wind 13 to 16 mph, with gusts as high as 29 mph. |
| Tuesday Night |
Clear, with a low around 11. West wind 6 to 12 mph, with gusts as high as 22 mph. |
| Wednesday |
Mostly sunny. High near 37, with temperatures falling to around 33 in the afternoon. |
| Wednesday Night |
A slight chance of rain after 1am. Mostly cloudy, with a low around 29. |
| Thursday |
A chance of rain. Partly sunny, with a high near 40. Chance of precipitation is 30%. |
| Thursday Night |
A slight chance of rain before 7pm. Mostly clear, with a low around 19. |
| Friday |
Mostly sunny, with a high near 30. |
| Friday Night |
Mostly cloudy, with a low around 18. |
| Saturday |
A chance of snow after 7am. Partly sunny, with a high near 30. Chance of precipitation is 30%. |
| Saturday Night |
A chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 30%. |
| Sunday |
A chance of snow. Partly sunny, with a high near 23. |
Forecast from NOAA-NWS for North Bellport, NY.