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Current Conditions

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Port Jefferson NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Today

Partly Sunny

Partly
Sunny

High: 74 °F

Tonight

Slight Chance Drizzle

Slight Chc
Drizzle

Low: 65 °F

Sunday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 77 °F

Sunday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 63 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 72 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 52 °F

Tuesday

Sunny

Sunny

High: 72 °F

Tuesday
Night

Clear

Clear

Low: 54 °F

Wednesday

Sunny

Sunny

High: 67 °F

Detailed Forecast

  • Today Partly sunny, with a high near 74. South wind 5 to 13 mph.
  • Tonight A slight chance of drizzle after midnight. Mostly cloudy, with a low around 65. Southeast wind 6 to 11 mph.
  • Sunday A slight chance of drizzle before 10am, then a slight chance of showers between 10am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. South wind 5 to 7 mph. Chance of precipitation is 30%.
  • Sunday Night A chance of showers, mainly before midnight. Mostly cloudy, with a low around 63. South wind 7 to 9 mph. Chance of precipitation is 30%.
  • Monday Mostly sunny, with a high near 72. West wind 10 to 15 mph.
  • Monday Night Mostly clear, with a low around 52.
  • Tuesday Sunny, with a high near 72.
  • Tuesday Night Clear, with a low around 54.
  • Wednesday Sunny, with a high near 67.
  • Wednesday Night Clear, with a low around 53.
  • Thursday Sunny, with a high near 69.
  • Thursday Night Mostly clear, with a low around 55.
  • Friday Sunny, with a high near 72.