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Peconic, NY Marine Weather Forecast

This Afternoon - 31°F
Dec 27, 2025
7 to 13 mph N
Partly Sunny
Partly sunny. High near 31, with temperatures falling to around 28 in the afternoon. Wind chill values as low as 23. North wind 7 to 13 mph.
Tonight - 24°F
Dec 27, 2025
6 mph N
Mostly Clear
Mostly clear, with a low around 24. Wind chill values as low as 18. North wind around 6 mph.
Sunday - 42°F
Dec 28, 2025
5 to 8 mph W
Partly Sunny
Partly sunny. High near 42, with temperatures falling to around 39 in the afternoon. Wind chill values as low as 19. West wind 5 to 8 mph.
Sunday Night - 35°F
Dec 28, 2025
6 to 10 mph SW
Light Rain
Rain after 7pm. Cloudy. Low around 35, with temperatures rising to around 43 overnight. Southwest wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday - 50°F
Dec 29, 2025
10 to 16 mph SW
Light Rain
Rain. Cloudy. High near 50, with temperatures falling to around 46 in the afternoon. Southwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night - 26°F
Dec 29, 2025
16 to 22 mph W
Slight Chance Snow Showers
Rain likely before 7pm, then a slight chance of rain showers between 7pm and 10pm, then a slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 33°F
Dec 30, 2025
22 to 25 mph W
Mostly Cloudy
Mostly cloudy, with a high near 33.
Tuesday Night - 25°F
Dec 30, 2025
16 to 24 mph W
Mostly Cloudy
Mostly cloudy, with a low around 25.
Wednesday - 36°F
Dec 31, 2025
18 mph W
Mostly Sunny
Mostly sunny, with a high near 36.
Wednesday Night - 26°F
Dec 31, 2025
14 to 17 mph W
Mostly Cloudy
Mostly cloudy, with a low around 26.
New Year's Day - 35°F
Jan 01, 2026
9 to 15 mph W
Chance Light Snow
A chance of snow after 7am. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
Thursday Night - 20°F
Jan 01, 2026
10 mph NW
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 40%.
Friday - 31°F
Jan 02, 2026
9 to 13 mph NW
Chance Light Snow then Mostly Sunny
A chance of snow before 7am. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Friday Night - 21°F
Jan 02, 2026
9 mph NW
Partly Cloudy
Partly cloudy, with a low around 21.

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