HomeForecastsNew York ForecastsPort Jefferson Harbor Entrance, NY Marine Weather

Port Jefferson Harbor Entrance, NY Marine Weather Forecast

Tonight - 18°F
Dec 21, 2024
17 to 23 mph NW
Chance Freezing Spray
A chance of freezing spray before 1am. Mostly clear. Low around 18, with temperatures rising to around 21 overnight. Wind chill values as low as 6. Northwest wind 17 to 23 mph.
Sunday - 25°F
Dec 22, 2024
14 to 21 mph NW
Sunny
Sunny, with a high near 25. Wind chill values as low as 3. Northwest wind 14 to 21 mph.
Sunday Night - 19°F
Dec 22, 2024
7 to 14 mph N
Mostly Clear
Mostly clear, with a low around 19. Wind chill values as low as 7. North wind 7 to 14 mph.
Monday - 30°F
Dec 23, 2024
1 to 6 mph S
Sunny
Sunny, with a high near 30. Wind chill values as low as 11. South wind 1 to 6 mph.
Monday Night - 30°F
Dec 23, 2024
5 to 10 mph SW
Mostly Cloudy then Chance Snow Showers
A chance of snow showers after 1am. Mostly cloudy. Low around 30, with temperatures rising to around 35 overnight. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday - 39°F
Dec 24, 2024
10 mph W
Chance Snow Showers
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Tuesday Night - 31°F
Dec 24, 2024
12 mph N
Slight Chance Snow Showers then Partly Cloudy
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 31.
Christmas Day - 38°F
Dec 25, 2024
8 to 12 mph N
Sunny
Sunny, with a high near 38.
Wednesday Night - 32°F
Dec 25, 2024
9 mph N
Partly Cloudy
Partly cloudy, with a low around 32.
Thursday - 40°F
Dec 26, 2024
7 to 10 mph N
Mostly Sunny
Mostly sunny, with a high near 40.
Thursday Night - 35°F
Dec 26, 2024
9 mph NE
Partly Cloudy
Partly cloudy, with a low around 35.
Friday - 43°F
Dec 27, 2024
10 mph NE
Mostly Sunny
Mostly sunny, with a high near 43.
Friday Night - 38°F
Dec 27, 2024
10 mph NE
Slight Chance Light Rain
A slight chance of rain between 7pm and 1am, then a slight chance of rain showers. Mostly cloudy, with a low around 38.
Saturday - 46°F
Dec 28, 2024
12 mph NE
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 46.

Don't Miss