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: 48°F Wind Speed: 7 mph Wind Direction: SE Forecast: Areas of fog between 11pm and 5am, then a chance of rain showers and patchy fog. Mostly cloudy, with a low around 48. Southeast wind around 7 mph. Chance of precipitation is 30%. |
Sunday |
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Temperature: 55°F Wind Speed: 7 to 18 mph Wind Direction: N Forecast: Rain showers and patchy fog. Cloudy. High near 55, with temperatures falling to around 47 in the afternoon. North wind 7 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday Night |
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Temperature: 41°F Wind Speed: 8 to 15 mph Wind Direction: W Forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 41. West wind 8 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 49°F Wind Speed: 9 to 14 mph Wind Direction: NW Forecast: A slight chance of rain showers after 8am. Mostly sunny. High near 49, with temperatures falling to around 47 in the afternoon. Northwest wind 9 to 14 mph. Chance of precipitation is 20%. |
Monday Night |
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Temperature: 36°F Wind Speed: 14 mph Wind Direction: NW Forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 36. Northwest wind around 14 mph. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 49°F Wind Speed: 5 to 13 mph Wind Direction: W Forecast: Sunny, with a high near 49. |
Tuesday Night |
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Temperature: 42°F Wind Speed: 13 mph Wind Direction: S Forecast: A slight chance of rain showers after 2am. Partly cloudy, with a low around 42. |
Wednesday |
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Temperature: 56°F Wind Speed: 12 mph Wind Direction: SW Forecast: A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 56. |
Wednesday Night |
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Temperature: 44°F Wind Speed: 8 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 44. |
Thursday |
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Temperature: 61°F Wind Speed: 7 mph Wind Direction: NW Forecast: Sunny, with a high near 61. |
Thursday Night |
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Temperature: 49°F Wind Speed: 7 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 49. |
Friday |
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Temperature: 60°F Wind Speed: 5 to 8 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 60. |
Friday Night |
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Temperature: 48°F Wind Speed: 8 mph Wind Direction: SE Forecast: A slight chance of rain showers after 2am. Partly cloudy, with a low around 48. |
Saturday |
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Temperature: 57°F Wind Speed: 9 mph Wind Direction: E Forecast: A chance of rain showers. Partly sunny, with a high near 57. |