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: 69°F Wind Speed: 9 mph Wind Direction: SW Forecast: Mostly clear, with a low around 69. Southwest wind around 9 mph. |
Thursday |
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Temperature: 84°F Wind Speed: 8 to 13 mph Wind Direction: SW Forecast: Mostly sunny. High near 84, with temperatures falling to around 79 in the afternoon. Southwest wind 8 to 13 mph. |
Thursday Night |
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Temperature: 71°F Wind Speed: 6 to 13 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Southwest wind 6 to 13 mph. Chance of precipitation is 20%. |
Friday |
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Temperature: 85°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. West wind 6 to 9 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 71°F Wind Speed: 8 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Northwest wind around 8 mph. Chance of precipitation is 30%. |
Saturday |
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Temperature: 83°F Wind Speed: 3 to 8 mph Wind Direction: N Forecast: Mostly sunny, with a high near 83. |
Saturday Night |
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Temperature: 68°F Wind Speed: 3 to 8 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 68. |
Sunday |
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Temperature: 83°F Wind Speed: 5 to 9 mph Wind Direction: E Forecast: Sunny, with a high near 83. |
Sunday Night |
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Temperature: 68°F Wind Speed: 3 to 7 mph Wind Direction: S Forecast: Mostly clear, with a low around 68. |
Monday |
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Temperature: 83°F Wind Speed: 3 to 10 mph Wind Direction: SW Forecast: Sunny, with a high near 83. |
Monday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: SW Forecast: Mostly clear, with a low around 71. |
Tuesday |
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Temperature: 86°F Wind Speed: 10 mph Wind Direction: SW Forecast: Sunny, with a high near 86. |
Tuesday Night |
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Temperature: 74°F Wind Speed: 12 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 74. |
Wednesday |
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Temperature: 90°F Wind Speed: 12 mph Wind Direction: W Forecast: Sunny, with a high near 90. |