Weather in Port Jefferson, New York, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Jefferson
Overnight |
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Temperature: 67°F Wind Speed: 7 mph Wind Direction: SW Forecast: Clear, with a low around 67. Southwest wind around 7 mph. |
Saturday |
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Temperature: 79°F Wind Speed: 6 to 12 mph Wind Direction: SW Forecast: Sunny, with a high near 79. Southwest wind 6 to 12 mph. |
Saturday Night |
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Temperature: 67°F Wind Speed: 9 to 13 mph Wind Direction: S Forecast: Mostly clear, with a low around 67. South wind 9 to 13 mph. |
Sunday |
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Temperature: 80°F Wind Speed: 8 to 12 mph Wind Direction: S Forecast: Mostly sunny, with a high near 80. South wind 8 to 12 mph. |
Sunday Night |
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Temperature: 69°F Wind Speed: 6 to 12 mph Wind Direction: S Forecast: A chance of rain showers after 8pm. Mostly cloudy, with a low around 69. South wind 6 to 12 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 79°F Wind Speed: 6 mph Wind Direction: SW Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
Monday Night |
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Temperature: 66°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 76°F Wind Speed: 10 mph Wind Direction: W Forecast: Sunny, with a high near 76. |
Tuesday Night |
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Temperature: 63°F Wind Speed: 10 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 63. |
Wednesday |
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Temperature: 74°F Wind Speed: 9 mph Wind Direction: W Forecast: Sunny, with a high near 74. |
Wednesday Night |
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Temperature: 63°F Wind Speed: 8 mph Wind Direction: NW Forecast: Mostly clear, with a low around 63. |
Thursday |
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Temperature: 76°F Wind Speed: 7 mph Wind Direction: W Forecast: Sunny, with a high near 76. |
Thursday Night |
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Temperature: 66°F Wind Speed: 8 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 66. |
Friday |
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Temperature: 76°F Wind Speed: 7 mph Wind Direction: W Forecast: Mostly sunny, with a high near 76. |