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| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Partly Sunny | Chance of Rain | Chance of Rain | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 40% | POP: 40% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 339 AM EDT Mon Sep 21 2026 
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Issued: 444 AM EDT Mon Sep 21 2026
Key Messages
1) Intermittent rain tapers off into early this morning as a cold front pushes south of the area.
2) A weak wave of low pressure passes south of the area along the front late tonight into Tuesday.
3) Prolonged period of gusty NE winds starting Tuesday and through late in the week. Potential for high surf, dangerous rip currents, beach erosion and some coastal flooding.
Discussion
... .KEY MESSAGE 1... Remaining rain will be mainly light and intermittent across parts of Long Island and co...