Weather in Port Jefferson, New York, United States

7-Day Detailed Weather Forecast for Port Jefferson

Overnight

Temperature: 62°F

Wind Speed: 6 to 10 mph

Wind Direction: NE

Forecast: Mostly clear, with a low around 62. Northeast wind 6 to 10 mph.

Friday

Temperature: 75°F

Wind Speed: 6 to 13 mph

Wind Direction: NE

Forecast: Sunny, with a high near 75. Northeast wind 6 to 13 mph.

Friday Night

Temperature: 59°F

Wind Speed: 2 to 8 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 59. Southeast wind 2 to 8 mph.

Saturday

Temperature: 76°F

Wind Speed: 2 to 8 mph

Wind Direction: S

Forecast: Sunny, with a high near 76. South wind 2 to 8 mph.

Saturday Night

Temperature: 62°F

Wind Speed: 7 to 10 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 62. Southwest wind 7 to 10 mph.

Sunday

Temperature: 78°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 78.

Sunday Night

Temperature: 60°F

Wind Speed: 7 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 60.

Monday

Temperature: 74°F

Wind Speed: 6 to 10 mph

Wind Direction: E

Forecast: Sunny, with a high near 74.

Monday Night

Temperature: 64°F

Wind Speed: 7 mph

Wind Direction: E

Forecast: Partly cloudy, with a low around 64.

Tuesday

Temperature: 74°F

Wind Speed: 6 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 74.

Tuesday Night

Temperature: 64°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 64.

Wednesday

Temperature: 75°F

Wind Speed: 7 mph

Wind Direction: NE

Forecast: Mostly sunny, with a high near 75.

Wednesday Night

Temperature: 64°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 64.

Thursday

Temperature: 73°F

Wind Speed: 8 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 73.