Port Jefferson, NY Weather Forecast and Current Conditions

DaySkyHigh / LowPrecipWindHumidity
Wed
Dec 8
Rain
Close Hourly
41º / 32º100%NE 9 mph78%
12pmRain38º92%E 7 mph77%
1pmShowers39º46%E 6 mph79%
2pmCloudy39º17%ENE 7 mph82%
3pmCloudy41º12%NE 7 mph75%
4pmCloudy40º8%NNE 7 mph75%
5pmCloudy39º9%NNE 8 mph80%
6pmCloudy38º16%NNE 9 mph81%
7pmCloudy38º24%N 8 mph81%
8pmFew Showers37º31%N 8 mph79%
9pmRain/Snow Showers37º42%N 8 mph77%
10pmCloudy37º22%NNW 8 mph77%
11pmMostly Cloudy36º11%NW 9 mph78%
Thu
Dec 9
Mostly Cloudy
View Hourly
41º / 33º2%NW 12 mph53%
12amPartly Cloudy36º10%NW 9 mph78%
1amPartly Cloudy36º5%NW 12 mph78%
2amMostly Clear35º5%NW 12 mph78%
3amClear35º5%NW 12 mph76%
4amClear34º4%NW 12 mph73%
5amClear34º4%NW 12 mph70%
6amClear33º3%NW 11 mph68%
7amClear33º3%NW 10 mph68%
8amSunny34º2%NW 10 mph66%
9amSunny36º1%NW 11 mph60%
10amPartly Cloudy37º1%NW 12 mph54%
11amPartly Cloudy38º0%NW 12 mph50%
12pmMostly Cloudy39º0%NW 12 mph49%
1pmMostly Cloudy40º0%WNW 11 mph46%
2pmMostly Cloudy40º0%WNW 10 mph46%
3pmCloudy39º0%WNW 8 mph46%
4pmCloudy39º0%NW 7 mph46%
5pmCloudy38º0%WNW 4 mph49%
6pmCloudy37º0%WNW 3 mph52%
7pmCloudy36º0%W 2 mph55%
8pmCloudy36º0%SW 1 mph56%
9pmCloudy35º1%S 1 mph57%
10pmCloudy35º1%S 2 mph58%
11pmCloudy35º1%SSE 2 mph60%
Fri
Dec 10
Mostly Cloudy
View Hourly
51º / 43º4%SSW 10 mph63%
12amCloudy34º2%SE 2 mph64%
1amCloudy35º2%SE 4 mph64%
2amCloudy35º2%SE 3 mph66%
3amCloudy35º2%SE 3 mph68%
4amCloudy35º2%SE 4 mph70%
5amCloudy35º2%SSE 3 mph72%
6amCloudy36º2%SSE 3 mph72%
7amCloudy36º2%S 4 mph74%
8amCloudy39º2%S 4 mph74%
9amCloudy43º2%SSW 6 mph68%
10amCloudy47º2%SSW 7 mph60%
11amCloudy49º1%SSW 8 mph57%
Sat
Dec 11
Rain/Wind60º / 39º68%SSW 21 mph89%
Sun
Dec 12
Partly Cloudy45º / 37º1%WNW 17 mph47%
Mon
Dec 13
Sunny52º / 39º1%WSW 15 mph50%
Tue
Dec 14
Partly Cloudy50º / 41º3%WNW 7 mph56%
Wed
Dec 15
Partly Cloudy53º / 45º13%SSW 11 mph66%

Weather Radar for Port Jefferson, NY See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Jefferson, NY

Today
High : 42ºF
E wind 5 to 8 kt becoming NE in the afternoon. A chance of rain, mainly between 11am and 4pm. Seas 1 ft or less.
Tonight
Low : 31ºF
NW wind 7 to 12 kt increasing to 12 to 17 kt after midnight. A slight chance of rain, mixing with snow after 8pm, then gradually ending. Seas 1 ft or less.
Thursday
High : 41ºF
NW wind 12 to 17 kt decreasing to 7 to 12 kt in the afternoon. Increasing clouds. Seas 1 ft or less.
Thursday Night
Low : 38ºF
WNW wind 5 to 7 kt becoming S after midnight. Mostly cloudy. Seas 1 ft or less.
Friday
High : 51ºF
S wind 8 to 10 kt becoming SW in the afternoon. Mostly cloudy. Seas 1 ft or less.
Friday Night
Low : 50ºF
SSW wind 5 to 9 kt becoming S after midnight. Showers likely, mainly after 1am. Seas 1 ft or less.
Saturday
High : 60ºF
SSW wind 12 to 17 kt, with gusts as high as 25 kt. Showers likely. Seas 1 ft or less.
Saturday Night
Low : 42ºF
SSW wind 13 to 16 kt becoming WNW after midnight. Winds could gust as high as 26 kt. Showers likely. Seas around 1 ft.
Sunday
High : 47ºF
WNW wind 13 to 15 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 1 ft.

NOAA Buoy Data Near Port Jefferson, NY See Map

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    Wind Speed Forecast for Port Jefferson, NY

    WednesdayThursdayFriday
    Wind Speed (MPH)778912101271244
    12pm4pm8pm12am4am8am12pm4pm8pm12am4am8am
    MPH778912101271244
    DIRENNENNWNWNWNWNWSWSESES

    Current Weather Conditions In Port Jefferson, NY

    As Of: 22 minutes ago

    • 38ºF
    • 33ºF
    • 7mph
    • 0º (E)
    • 7mph
    • Rain
    • 3mi
    • 29.99"
    • 77%
    • 0ºF

    The weather right now in Port Jefferson, NY is Rain. The current temperature is 38°F, and the expected high and low for today, Wednesday, December 8, 2021, are 41° high temperature and 32°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the East. The wind is gusting to 7 mph. With the wind and the atmosphere the temperature feels like 33° Fahrenheit. Expected precipitation is 92 percent, with current humidity at 77 percent, and air pressure at 29.99 in. Visibility is 3 nautical miles. There are no current weather alert(s).