Weather in Port Jefferson, New York, United States

7-Day Detailed Weather Forecast for Port Jefferson

Today

Temperature: 57°F

Wind Speed: 9 mph

Wind Direction: NE

Forecast: Sunny, with a high near 57. Northeast wind around 9 mph.

Tonight

Temperature: 52°F

Wind Speed: 8 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 52. Southeast wind around 8 mph.

Tuesday

Temperature: 63°F

Wind Speed: 7 to 12 mph

Wind Direction: SE

Forecast: A chance of rain after 8am. Partly sunny, with a high near 63. Southeast wind 7 to 12 mph. Chance of precipitation is 40%.

Tuesday Night

Temperature: 59°F

Wind Speed: 7 to 13 mph

Wind Direction: S

Forecast: A chance of rain before 2am. Mostly cloudy, with a low around 59. South wind 7 to 13 mph. Chance of precipitation is 40%.

Wednesday

Temperature: 72°F

Wind Speed: 7 to 10 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 72. Southwest wind 7 to 10 mph.

Wednesday Night

Temperature: 61°F

Wind Speed: 14 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 61.

Thursday

Temperature: 72°F

Wind Speed: 14 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 72.

Thursday Night

Temperature: 64°F

Wind Speed: 14 to 18 mph

Wind Direction: SW

Forecast: A chance of rain showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

Friday

Temperature: 67°F

Wind Speed: 13 to 16 mph

Wind Direction: W

Forecast: A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.

Friday Night

Temperature: 49°F

Wind Speed: 16 mph

Wind Direction: N

Forecast: A slight chance of rain showers before 8pm. Partly cloudy, with a low around 49.

Saturday

Temperature: 56°F

Wind Speed: 6 to 15 mph

Wind Direction: NE

Forecast: Sunny, with a high near 56.

Saturday Night

Temperature: 49°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 49.

Sunday

Temperature: 59°F

Wind Speed: 6 to 9 mph

Wind Direction: SW

Forecast: Mostly sunny, with a high near 59.

Sunday Night

Temperature: 54°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 54.