Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Mar 29
Partly Cloudy/Wind
Close Hourly
53º / 37º 1% NW 21 mph 47%
7am Cloudy 41º 1% NW 15 mph 58%
8am Cloudy 41º 1% NW 16 mph 57%
9am Cloudy 43º 1% NW 17 mph 55%
10am Mostly Cloudy 44º 1% NW 18 mph 54%
11am Mostly Cloudy 45º 0% NW 19 mph 51%
12pm Partly Cloudy/Wind 47º 0% NW 20 mph 48%
1pm Partly Cloudy/Wind 49º 0% NW 20 mph 43%
2pm Mostly Sunny 50º 0% NW 19 mph 39%
3pm Sunny/Wind 52º 0% NW 21 mph 35%
4pm Sunny/Wind 52º 0% NW 20 mph 35%
5pm Mostly Sunny/Wind 52º 0% NW 20 mph 36%
6pm Mostly Sunny 50º 0% NW 19 mph 39%
7pm Mostly Sunny/Wind 47º 0% NW 20 mph 42%
8pm Clear 45º 0% NW 19 mph 45%
9pm Clear 44º 0% WNW 19 mph 46%
10pm Clear 42º 0% NW 19 mph 48%
11pm Clear 41º 0% WNW 18 mph 50%
Sat
Mar 30
Mostly Sunny
View Hourly
57º / 42º 9% W 19 mph 46%
12am Clear 41º 0% WNW 17 mph 53%
1am Clear 41º 0% WNW 17 mph 54%
2am Clear 40º 0% WNW 17 mph 55%
3am Clear 40º 1% WNW 16 mph 57%
4am Clear 39º 1% WNW 17 mph 59%
5am Clear 39º 1% WNW 17 mph 60%
6am Clear 39º 1% WNW 17 mph 59%
7am Sunny 38º 1% WNW 16 mph 59%
8am Sunny 39º 1% WNW 16 mph 57%
9am Sunny 41º 1% WNW 17 mph 54%
10am Sunny 43º 0% WNW 18 mph 50%
11am Sunny 45º 0% W 19 mph 47%
12pm Sunny 47º 0% W 18 mph 44%
1pm Mostly Sunny 49º 0% W 18 mph 43%
2pm Sunny 51º 0% W 17 mph 40%
3pm Partly Cloudy 53º 0% W 17 mph 38%
4pm Mostly Cloudy 55º 0% W 15 mph 37%
5pm Mostly Cloudy 55º 1% W 14 mph 38%
6pm Cloudy 54º 9% W 13 mph 40%
7pm Cloudy 52º 15% W 11 mph 45%
8pm Cloudy 51º 22% WSW 11 mph 52%
9pm Cloudy 50º 24% WSW 10 mph 61%
10pm Few Showers 49º 32% WSW 8 mph 65%
11pm Showers 48º 39% WSW 6 mph 73%
Sun
Mar 31
Partly Cloudy
View Hourly
56º / 41º 14% WNW 12 mph 53%
12am Few Showers 47º 30% SW 6 mph 78%
1am Cloudy 46º 24% SW 5 mph 83%
2am Showers 45º 38% SW 5 mph 84%
3am Mostly Cloudy 45º 24% WSW 4 mph 88%
4am Mostly Cloudy 45º 24% W 4 mph 89%
5am Mostly Cloudy 44º 14% NNW 6 mph 87%
6am Mostly Cloudy 43º 11% NW 6 mph 79%
Mon
Apr 1
AM Showers 47º / 41º 43% E 8 mph 69%
Tue
Apr 2
Rain 46º / 40º 89% E 18 mph 77%
Wed
Apr 3
Rain/Wind 46º / 37º 83% ENE 21 mph 78%
Thu
Apr 4
AM Rain/Snow Showers/Wind 47º / 36º 66% NW 20 mph 63%
Fri
Apr 5
Partly Cloudy 49º / 38º 3% NNW 15 mph 56%

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 : 51ºF
NW wind around 15 kt, with gusts as high as 25 kt. Cloudy through mid morning, then gradual clearing. Seas around 2 ft.
Tonight
Low : 39ºF
WNW wind 15 to 17 kt, with gusts as high as 27 kt. Partly cloudy. Seas around 2 ft.
Saturday
High : 53ºF
W wind 12 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.
Saturday Night
Low : 45ºF
WSW wind 5 to 9 kt becoming SSW after midnight. A chance of rain, mainly before 2am. Seas around 1 ft.
Sunday
High : 54ºF
WNW wind around 10 kt. A slight chance of rain before 8am. Seas around 1 ft.
Sunday Night
Low : 43ºF
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Monday
High : 48ºF
ENE wind around 8 kt becoming ESE in the afternoon. A chance of rain after 8am. Seas around 1 ft.
Monday Night
Low : 42ºF
SE wind around 9 kt. Rain likely. Seas around 1 ft.
Tuesday
High : 46ºF
E wind 13 to 15 kt, with gusts as high as 22 kt. Rain. Seas around 2 ft.

NOAA Buoy Data Near Port Jefferson, NY See Map

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    Wind Speed Forecast for Port Jefferson, NY

    FridaySaturdaySunday
    Wind Speed (MPH) 1519212018161619171164
    7am11am3pm7pm11pm3am7am11am3pm7pm11pm3am
    MPH 1519212018161619171164
    DIR NWNWNWNWWNWWNWWNWWWWWSWWSW

    Current Weather Conditions In Port Jefferson, NY

    As Of: 36 minutes ago

    • 41ºF
    • 33ºF
    • 15mph
    • 0º (NW)
    • 27mph
    • Cloudy
    • 10mi
    • 29.74"
    • 58%
    • 0ºF

    The weather right now in Port Jefferson, NY is Cloudy. The current temperature is 41°F, and the expected high and low for today, Friday, March 29, 2024, are 53° high temperature and 37°F low temperature. The wind is currently blowing at 15 miles per hour, and coming from the Northwest. The wind is gusting to 27 mph. With the wind and the atmosphere the temperature feels like 33° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 58 percent, and air pressure at 29.74 in. Visibility is 10 nautical miles. There are no current weather alert(s).