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: 81°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 72°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 5am. Mostly cloudy, with a low around 72. West wind 3 to 7 mph. Chance of precipitation is 30%. |
Friday |
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Temperature: 81°F Wind Speed: 6 mph Wind Direction: NW Forecast: A chance of rain showers between 2pm and 5pm. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northwest wind around 6 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 69°F Wind Speed: 5 to 12 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 69. Northwest wind 5 to 12 mph. |
Saturday |
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Temperature: 76°F Wind Speed: 8 to 12 mph Wind Direction: N Forecast: Sunny. High near 76, with temperatures falling to around 74 in the afternoon. North wind 8 to 12 mph. |
Saturday Night |
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Temperature: 64°F Wind Speed: 12 mph Wind Direction: NE Forecast: A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 64. |
Sunday |
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Temperature: 72°F Wind Speed: 5 to 13 mph Wind Direction: N Forecast: Mostly sunny, with a high near 72. |
Sunday Night |
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Temperature: 62°F Wind Speed: 6 mph Wind Direction: NW Forecast: Mostly clear, with a low around 62. |
Labor Day |
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Temperature: 76°F Wind Speed: 6 mph Wind Direction: NW Forecast: Sunny, with a high near 76. |
Monday Night |
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Temperature: 65°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly clear, with a low around 65. |
Tuesday |
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Temperature: 77°F Wind Speed: 8 mph Wind Direction: W Forecast: Mostly sunny, with a high near 77. |
Tuesday Night |
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Temperature: 65°F Wind Speed: 8 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 65. |
Wednesday |
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Temperature: 77°F Wind Speed: 7 to 10 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 77. |
Wednesday Night |
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Temperature: 68°F Wind Speed: 12 mph Wind Direction: SW Forecast: A chance of rain showers after 8pm. Partly cloudy, with a low around 68. |