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Port Jefferson, NY Marine Weather Forecast

Overnight - 31°F
Dec 04, 2024
8 mph NW
Mostly Clear
Mostly clear, with a low around 31. Wind chill values as low as 24. Northwest wind around 8 mph.
Wednesday - 46°F
Dec 04, 2024
6 to 20 mph SW
Mostly Sunny
Mostly sunny. High near 46, with temperatures falling to around 42 in the afternoon. Wind chill values as low as 24. Southwest wind 6 to 20 mph.
Wednesday Night - 40°F
Dec 04, 2024
21 to 26 mph SW
Rain Showers Likely
Rain showers likely after 7pm. Cloudy. Low around 40, with temperatures rising to around 43 overnight. Southwest wind 21 to 26 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday - 45°F
Dec 05, 2024
23 to 32 mph SW
Rain Showers Likely then Slight Chance Snow Showers
Rain showers likely before 1pm, then a slight chance of snow showers. Partly sunny. High near 45, with temperatures falling to around 39 in the afternoon. Southwest wind 23 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night - 33°F
Dec 05, 2024
28 to 31 mph W
Slight Chance Snow Showers then Mostly Clear
A slight chance of snow showers before 7pm. Mostly clear. Low around 33, with temperatures rising to around 35 overnight. West wind 28 to 31 mph, with gusts as high as 46 mph. Chance of precipitation is 20%.
Friday - 37°F
Dec 06, 2024
22 to 28 mph NW
Sunny
Sunny. High near 37, with temperatures falling to around 35 in the afternoon.
Friday Night - 29°F
Dec 06, 2024
17 to 22 mph W
Mostly Clear
Mostly clear, with a low around 29.
Saturday - 38°F
Dec 07, 2024
16 mph W
Mostly Sunny
Mostly sunny, with a high near 38.
Saturday Night - 33°F
Dec 07, 2024
16 mph W
Partly Cloudy
Partly cloudy, with a low around 33.
Sunday - 45°F
Dec 08, 2024
13 mph SW
Mostly Sunny
Mostly sunny, with a high near 45.
Sunday Night - 40°F
Dec 08, 2024
10 mph SW
Partly Cloudy
Partly cloudy, with a low around 40.
Monday - 52°F
Dec 09, 2024
10 mph SW
Chance Rain Showers
A chance of rain showers after 7am. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Monday Night - 48°F
Dec 09, 2024
12 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Tuesday - 54°F
Dec 10, 2024
12 mph SW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 54. Chance of precipitation is 50%.

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