| National Weather Service Forecast for:
North Bellport, NY Issued by: National Weather Service New York/Upton, NY |
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| Updated: Sat, 07/18/2026 3:52 pm EDT | ||||||||||||||||||||||||||||||||||||||||
| Bellport | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued July 17 at 3:28PM EDT
| Tonight |
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 5am. Mostly cloudy. Low around 70, with temperatures rising to around 72 overnight. Southwest wind 9 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Sunday |
Sunny. High near 83, with temperatures falling to around 81 in the afternoon. Northwest wind 9 to 13 mph. |
| Sunday Night |
Mostly clear, with a low around 64. North wind 2 to 8 mph. |
| Monday |
Sunny. High near 82, with temperatures falling to around 79 in the afternoon. East wind 3 to 8 mph. |
| Monday Night |
Partly cloudy, with a low around 68. South wind around 7 mph. |
| Tuesday |
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 82, with temperatures falling to around 79 in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
Showers and thunderstorms. Cloudy, with a low around 70. Chance of precipitation is 90%. |
| Wednesday |
Showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 90%. |
| Wednesday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. |
| Thursday |
A slight chance of rain showers. Mostly sunny, with a high near 82. |
| Thursday Night |
A slight chance of rain showers. Partly cloudy, with a low around 66. |
| Friday |
A slight chance of rain showers before 8am. Mostly sunny, with a high near 82. |
| Friday Night |
Partly cloudy, with a low around 67. |
| Saturday |
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 83. |
Forecast from NOAA-NWS for North Bellport, NY.