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Port Jefferson, NY
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7-Day Forecast
Tonight
Increasing Clouds
Low: 33°
Increasing clouds with a low around 33. North wind 8 to 13 mph.
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Friday
Decreasing Clouds
High: 52°
Mostly cloudy, then gradually becoming sunny with a high near 52. Northeast wind 6 to 8 mph becoming east in the afternoon.
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Friday Night
Partly Cloudy
Low: 37°
Partly cloudy with a low around 37. Light southeast wind.
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Saturday
Chance Showers
High: 51°
Patchy drizzle with a slight chance of showers before 8am, then a slight chance of showers or drizzle between 8am and 2pm, then a chance of showers after 2pm. Mostly cloudy with a high near 51. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.
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Saturday Night
Chance Showers
Low: 48°
A 30% chance of showers. Cloudy with a temperature rising to around 51 by 4am. South wind 8 to 14 mph.
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Sunday
Mostly Cloudy and Breezy then Chance Showers and Windy
High: 55°
A 40% chance of showers after 2pm. Mostly cloudy with a high near 55. Windy.
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Sunday Night
Showers and Windy
Low: 48°
Showers, mainly after 8pm. Low around 48. Windy. Chance of precipitation is 90%.
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Monday
Showers Likely
High: 53°
Showers likely, mainly before 2pm. Mostly cloudy with a high near 53. Chance of precipitation is 60%.
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Monday Night
Chance Showers then Mostly Clear
Low: 38°
A 30% chance of showers before 8pm. Partly cloudy with a low around 38.
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Tuesday
Sunny
High: 52°
Sunny with a high near 52.
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Tuesday Night
Mostly Clear
Low: 43°
Mostly clear with a low around 43.
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Wednesday
Mostly Sunny
High: 55°
Mostly sunny with a high near 55.
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Wednesday Night
Mostly Cloudy
Low: 46°
Mostly cloudy with a low around 46.
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Thursday
Partly Sunny then Chance Showers
High: 55°
A 30% chance of showers. Partly sunny with a high near 55.
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Source: National Weather Service
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