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Port Jefferson, NY
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7-Day Forecast
Overnight
Showers Likely
Low: 43°
Showers likely, mainly before 4am.
Mostly cloudy with a low around 43.
North wind 15 to 17 mph.
Chance of precipitation is 60%.
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Saturday
Windy. Chance Showers then Partly Sunny
High: 50°
A 30% chance of showers before 10am.
Partly sunny with a high near 50.
Windy with a northwest wind 22 to 32 mph
with gusts as high as 44 mph.
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Saturday Night
Partly Cloudy and Windy
Low: 46°
Partly cloudy with a low around 46.
Windy with a west wind around 31 mph
with gusts as high as 41 mph.
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Sunday
Mostly Sunny and Windy
High: 51°
Mostly sunny with a high near 51.
Windy with a west wind 21 to 28 mph.
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Sunday Night
Partly Cloudy
Low: 44°
Partly cloudy with a low around 44.
West wind 13 to 17 mph.
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Monday
Mostly Sunny
High: 54°
Mostly sunny with a high near 54.
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Monday Night
Mostly Cloudy then Rain Likely
Low: 49°
Rain likely after 1am.
Mostly cloudy with a low around 49.
Chance of precipitation is 60%.
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Tuesday
Rain Likely
High: 57°
Rain likely before 1pm.
Partly sunny with a high near 57.
Chance of precipitation is 60%.
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Tuesday Night
Mostly Clear
Low: 42°
Mostly clear with a low around 42.
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Wednesday
Sunny and Breezy then Sunny
High: 48°
Sunny with a high near 48.
Breezy.
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Wednesday Night
Partly Cloudy
Low: 40°
Partly cloudy with a low around 40.
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Thanksgiving Day
Chance Rain
High: 45°
A 40% chance of rain.
Partly sunny with a high near 45.
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Thursday Night
Chance Rain
Low: 39°
A 50% chance of rain.
Mostly cloudy with a low around 39.
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Friday
Chance Rain then Chance Rain/Snow
High: 43°
A chance of rain and snow.
Partly sunny with a high near 43.
Chance of precipitation is 50%.
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Source: National Weather Service
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