Weather in Port Jefferson, New York, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Jefferson
Today |
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Temperature: 51°F Wind Speed: 8 to 14 mph Wind Direction: W Forecast: Sunny. High near 51, with temperatures falling to around 49 in the afternoon. West wind 8 to 14 mph. |
Tonight |
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Temperature: 47°F Wind Speed: 3 to 8 mph Wind Direction: S Forecast: A chance of rain showers between 10pm and 1am, then a slight chance of rain. Mostly cloudy. Low around 47, with temperatures rising to around 52 overnight. South wind 3 to 8 mph. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 58°F Wind Speed: 8 to 17 mph Wind Direction: SW Forecast: Rain before 4pm. Partly sunny, with a high near 58. Southwest wind 8 to 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tuesday Night |
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Temperature: 39°F Wind Speed: 14 to 18 mph Wind Direction: W Forecast: Mostly clear, with a low around 39. West wind 14 to 18 mph. |
Wednesday |
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Temperature: 49°F Wind Speed: 9 to 14 mph Wind Direction: W Forecast: Mostly sunny, with a high near 49. West wind 9 to 14 mph. |
Wednesday Night |
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Temperature: 45°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: A chance of rain showers after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 40%. |
Thanksgiving Day |
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Temperature: 51°F Wind Speed: 9 to 16 mph Wind Direction: E Forecast: Rain showers likely. Cloudy, with a high near 51. Chance of precipitation is 70%. |
Thursday Night |
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Temperature: 42°F Wind Speed: 16 to 20 mph Wind Direction: N Forecast: Rain showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. |
Friday |
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Temperature: 47°F Wind Speed: 18 mph Wind Direction: NW Forecast: A slight chance of rain showers before 7am. Partly sunny, with a high near 47. |
Friday Night |
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Temperature: 36°F Wind Speed: 18 to 22 mph Wind Direction: W Forecast: Partly cloudy, with a low around 36. |
Saturday |
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Temperature: 43°F Wind Speed: 22 mph Wind Direction: W Forecast: Sunny, with a high near 43. |
Saturday Night |
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Temperature: 34°F Wind Speed: 17 to 22 mph Wind Direction: W Forecast: Partly cloudy, with a low around 34. |
Sunday |
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Temperature: 40°F Wind Speed: 17 mph Wind Direction: W Forecast: Partly sunny, with a high near 40. |
Sunday Night |
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Temperature: 33°F Wind Speed: 18 mph Wind Direction: W Forecast: Partly cloudy, with a low around 33. |