Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Jan 12 		Cloudy
Close Hourly 		-º / 30º 5% WSW 8 mph 70%
5pm Partly Cloudy 37º 1% W 8 mph 53%
6pm Partly Cloudy 35º 1% W 6 mph 59%
7pm Partly Cloudy 35º 2% W 5 mph 64%
8pm Partly Cloudy 34º 2% WSW 4 mph 71%
9pm Mostly Cloudy 34º 2% WSW 3 mph 73%
10pm Mostly Cloudy 33º 2% WSW 4 mph 74%
11pm Cloudy 32º 3% WSW 4 mph 75%
Mon
Jan 13 		Partly Cloudy
View Hourly 		42º / 27º 5% WSW 12 mph 64%
12am Cloudy 33º 5% W 5 mph 76%
1am Cloudy 32º 5% WSW 4 mph 77%
2am Cloudy 32º 4% WSW 4 mph 77%
3am Mostly Cloudy 32º 5% WSW 4 mph 77%
4am Partly Cloudy 32º 5% WSW 6 mph 76%
5am Partly Cloudy 31º 5% WSW 6 mph 76%
6am Partly Cloudy 31º 5% SW 6 mph 76%
7am Mostly Clear 31º 5% SW 6 mph 76%
8am Sunny 32º 4% SW 7 mph 74%
9am Sunny 35º 3% SW 9 mph 70%
10am Mostly Sunny 37º 2% WSW 10 mph 65%
11am Partly Cloudy 38º 2% WSW 11 mph 62%
12pm Mostly Cloudy 39º 1% WSW 11 mph 60%
1pm Partly Cloudy 40º 1% WSW 12 mph 59%
2pm Partly Cloudy 41º 1% WSW 12 mph 58%
3pm Partly Cloudy 41º 2% WSW 12 mph 59%
4pm Partly Cloudy 41º 3% WSW 12 mph 59%
5pm Partly Cloudy 40º 3% WSW 11 mph 61%
6pm Partly Cloudy 39º 3% W 12 mph 63%
7pm Partly Cloudy 38º 3% W 12 mph 64%
8pm Mostly Clear 37º 3% W 13 mph 65%
9pm Mostly Clear 37º 3% W 14 mph 65%
10pm Mostly Clear 36º 2% WNW 14 mph 64%
11pm Mostly Clear 35º 2% WNW 14 mph 62%
Tue
Jan 14 		Mostly Sunny
View Hourly 		32º / 23º 1% WNW 20 mph 48%
12am Clear 34º 1% WNW 14 mph 58%
1am Clear 33º 1% WNW 13 mph 58%
2am Clear 32º 1% WNW 13 mph 58%
3am Clear 31º 1% WNW 13 mph 58%
4am Clear 30º 1% WNW 14 mph 57%
5am Clear 30º 1% WNW 14 mph 57%
6am Clear 29º 1% WNW 14 mph 58%
7am Clear 28º 1% WNW 15 mph 58%
8am Sunny 28º 1% WNW 15 mph 57%
9am Sunny 29º 0% WNW 17 mph 55%
10am Sunny 30º 0% WNW 17 mph 52%
11am Mostly Sunny 31º 0% WNW 18 mph 48%
12pm Partly Cloudy 32º 0% WNW 18 mph 45%
1pm Partly Cloudy 32º 0% WNW 19 mph 44%
2pm Partly Cloudy 32º 0% WNW 18 mph 43%
3pm Partly Cloudy 32º 0% WNW 19 mph 42%
4pm Partly Cloudy/Wind 31º 0% WNW 20 mph 43%
Wed
Jan 15 		Sunny 34º / 21º 1% NW 18 mph 47%
Thu
Jan 16 		Partly Cloudy 32º / 26º 3% W 12 mph 54%
Fri
Jan 17 		Mostly Sunny 38º / 31º 3% W 11 mph 59%
Sat
Jan 18 		Showers 45º / 33º 37% SSW 15 mph 76%
Sun
Jan 19 		PM Rain/Snow Showers 40º / 23º 36% NNW 11 mph 67%

Weather Radar for Port Jefferson, NY See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Jefferson, NY

This Afternoon
High : 42ºF
WNW wind around 8 kt. Sunny. Seas 1 ft or less.
Tonight
Low : 29ºF
Variable winds less than 5 kt becoming WSW around 6 kt in the evening. Increasing clouds. Seas 1 ft or less.
Monday
High : 45ºF
WSW wind 8 to 13 kt, with gusts as high as 21 kt. Mostly sunny. Seas 1 ft or less.
Monday Night
Low : 29ºF
WSW wind 12 to 17 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.
Tuesday
High : 32ºF
WNW wind 18 to 22 kt, with gusts as high as 28 kt. Mostly sunny. Seas 1 ft or less.
Tuesday Night
Low : 24ºF
WNW wind 24 to 26 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
High : 32ºF
NW wind 22 to 25 kt decreasing to 19 to 22 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Wednesday Night
Low : 24ºF
NW wind 15 to 18 kt decreasing to 10 to 13 kt after midnight. Partly cloudy. Seas around 1 ft.
Thursday
High : 32ºF
W wind around 10 kt. Mostly sunny. Seas 1 ft or less.

NOAA Buoy Data Near Port Jefferson, NY See Map

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    Wind Speed Forecast for Port Jefferson, NY

    SundayMondayTuesday
    Wind Speed (MPH) 8346912111413141719
    5pm9pm1am5am9am1pm5pm9pm1am5am9am1pm
    MPH 8346912111413141719
    DIR WWSWWSWWSWSWWSWWSWWWNWWNWWNWWNW

    Current Weather Conditions In Port Jefferson, NY

    As Of: 9 minutes ago

    • 37ºF
    • 31ºF
    • 8mph
    • 0º (W)
    • 8mph
    • Partly Cloudy
    • 10mi
    • 30.02"
    • 53%
    • 0ºF

    The weather right now in Port Jefferson, NY is Partly Cloudy. The current temperature is 37°F, and the expected high and low for today, Sunday, January 12, 2025, are -° high temperature and 30°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the West. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 31° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 53 percent, and air pressure at 30.02 in. Visibility is 10 nautical miles. There are no current weather alert(s).