Weather in Port Jefferson Station, New York, United States

7-Day Detailed Weather Forecast for Port Jefferson Station

Today

Temperature: 17°F

Wind Speed: 7 to 12 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 17. Wind chill values as low as -6. Northwest wind 7 to 12 mph, with gusts as high as 23 mph.

Tonight

Temperature: 11°F

Wind Speed: 7 mph

Wind Direction: N

Forecast: A chance of snow after 4am. Mostly cloudy. Low around 11, with temperatures rising to around 13 overnight. Wind chill values as low as 4. North wind around 7 mph. Chance of precipitation is 30%.

Sunday

Temperature: 30°F

Wind Speed: 5 to 16 mph

Wind Direction: NE

Forecast: Snow. Cloudy. High near 30, with temperatures falling to around 25 in the afternoon. Wind chill values as low as 5. Northeast wind 5 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Sunday Night

Temperature: 22°F

Wind Speed: 12 to 16 mph

Wind Direction: NE

Forecast: Snow before 7pm, then snow and sleet. Cloudy. Low around 22, with temperatures rising to around 27 overnight. Wind chill values as low as 14. Northeast wind 12 to 16 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Monday

Temperature: 30°F

Wind Speed: 13 mph

Wind Direction: N

Forecast: Snow. Cloudy. High near 30, with temperatures falling to around 25 in the afternoon. North wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of around one inch possible.

Monday Night

Temperature: 12°F

Wind Speed: 14 mph

Wind Direction: NW

Forecast: A chance of snow before 1am. Partly cloudy, with a low around 12. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.

Tuesday

Temperature: 21°F

Wind Speed: 14 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 21.

Tuesday Night

Temperature: 10°F

Wind Speed: 12 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 10.

Wednesday

Temperature: 23°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 23.

Wednesday Night

Temperature: 11°F

Wind Speed: 8 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 11.

Thursday

Temperature: 22°F

Wind Speed: 6 to 10 mph

Wind Direction: NW

Forecast: A slight chance of snow after 7am. Partly sunny, with a high near 22.

Thursday Night

Temperature: 8°F

Wind Speed: 10 mph

Wind Direction: NW

Forecast: A slight chance of snow before 1am. Partly cloudy, with a low around 8.

Friday

Temperature: 23°F

Wind Speed: 13 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 23.

Friday Night

Temperature: 12°F

Wind Speed: 12 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 12.