Weather in Port Jefferson, New York, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Jefferson
Tonight |
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Temperature: 50°F Wind Speed: 23 to 26 mph Wind Direction: NE Forecast: A chance of rain. Mostly cloudy, with a low around 50. Northeast wind 23 to 26 mph. Chance of precipitation is 30%. |
Wednesday |
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Temperature: 55°F Wind Speed: 16 to 24 mph Wind Direction: NE Forecast: A slight chance of rain. Mostly cloudy, with a high near 55. Northeast wind 16 to 24 mph. Chance of precipitation is 20%. |
Wednesday Night |
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Temperature: 52°F Wind Speed: 16 to 20 mph Wind Direction: NE Forecast: Rain likely. Mostly cloudy, with a low around 52. Northeast wind 16 to 20 mph. Chance of precipitation is 60%. |
Thursday |
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Temperature: 61°F Wind Speed: 20 to 23 mph Wind Direction: E Forecast: Rain. Cloudy. High near 61, with temperatures falling to around 59 in the afternoon. East wind 20 to 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday Night |
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Temperature: 55°F Wind Speed: 17 to 23 mph Wind Direction: SE Forecast: Rain before 8pm, then rain and a chance of thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 55, with temperatures rising to around 57 overnight. Southeast wind 17 to 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. |
Friday |
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Temperature: 59°F Wind Speed: 17 to 31 mph Wind Direction: W Forecast: Rain likely before 8am, then a slight chance of rain showers between 8am and 2pm. Partly sunny. High near 59, with temperatures falling to around 57 in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Friday Night |
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Temperature: 49°F Wind Speed: 30 to 33 mph Wind Direction: W Forecast: Partly cloudy, with a low around 49. |
Saturday |
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Temperature: 57°F Wind Speed: 24 to 30 mph Wind Direction: W Forecast: Mostly sunny, with a high near 57. |
Saturday Night |
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Temperature: 48°F Wind Speed: 13 to 22 mph Wind Direction: W Forecast: Partly cloudy, with a low around 48. |
Sunday |
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Temperature: 55°F Wind Speed: 12 mph Wind Direction: W Forecast: Mostly sunny, with a high near 55. |
Sunday Night |
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Temperature: 47°F Wind Speed: 10 mph Wind Direction: NW Forecast: A slight chance of rain showers after 1am. Partly cloudy, with a low around 47. |
Monday |
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Temperature: 57°F Wind Speed: 9 to 15 mph Wind Direction: W Forecast: A chance of rain showers. Partly sunny, with a high near 57. Chance of precipitation is 40%. |
Monday Night |
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Temperature: 50°F Wind Speed: 15 to 21 mph Wind Direction: W Forecast: A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%. |
Tuesday |
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Temperature: 56°F Wind Speed: 21 mph Wind Direction: W Forecast: A chance of rain showers. Partly sunny, with a high near 56. |