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Peconic Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | |  |  | | | |  | | | |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of T-Storm | Chance of Rain | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Sunny |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 60°FHi: 16°C |
| POP: 80% | POP: 100% | POP: 30% | POP: 30% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 303 PM EDT Fri Oct 09 2026 
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Issued: 411 PM EDT Fri Oct 9 2026
Key Messages
1) High pressure, dry, near seasonable temperatures through Saturday night.
2) Low pressure approaches Sunday through early Monday, widespread rain, heavy at times, minor flooding potential, possible high surf.
3) Showers possible Tuesday into Tuesday night with a chance of a thunderstorm as well.
Discussion
... .KEY MESSAGE 1... High pressure will build in tonight from the north and west. Sky conditions will have more clouds compared to previous night but still enough breaks in the clou...