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Eastern Long Island Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Partly Sunny | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 70°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 145 PM EDT Thu Aug 27 2026 
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Issued: 156 PM EDT Thu Aug 27 2026
Key Messages
1) Ongoing threat for flash flooding and severe thunderstorms through the evening, mainly for northeast NJ, the Lower Hudson Valley, NYC, Fairfield and Nassau Counties.
2) After another chance of thunderstorms on Friday, a dry and seasonable forecast for the weekend, with a warming trend early next week.
3) High risk for rip currents at the Atlantic facing beaches today.
Discussion
... .KEY MESSAGE 1... The area remains on the eastern side of upper level troughing over the east half of C...