Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Apr 26
Mostly Sunny
Close Hourly
58º / 40º 2% ENE 10 mph 60%
5am Clear 34º 2% E 2 mph 91%
6am Sunny 35º 2% ENE 2 mph 90%
7am Sunny 38º 2% ENE 2 mph 87%
8am Sunny 43º 2% NE 4 mph 74%
9am Sunny 46º 1% NE 6 mph 64%
10am Sunny 48º 1% NE 8 mph 59%
11am Sunny 50º 0% NE 8 mph 54%
12pm Sunny 52º 0% NE 8 mph 45%
1pm Sunny 54º 0% NE 8 mph 39%
2pm Sunny 55º 0% ENE 6 mph 38%
3pm Sunny 56º 0% SE 4 mph 36%
4pm Mostly Sunny 56º 0% S 6 mph 36%
5pm Mostly Sunny 55º 0% S 9 mph 38%
6pm Mostly Sunny 53º 0% S 10 mph 39%
7pm Sunny 51º 0% S 9 mph 43%
8pm Clear 49º 1% S 8 mph 52%
9pm Clear 47º 1% S 8 mph 58%
10pm Clear 46º 2% S 7 mph 65%
11pm Clear 45º 3% S 6 mph 70%
Sat
Apr 27
Partly Cloudy
View Hourly
59º / 46º 5% SSW 14 mph 43%
12am Clear 44º 4% S 5 mph 73%
1am Clear 43º 5% S 5 mph 76%
2am Clear 43º 5% S 4 mph 79%
3am Clear 42º 5% SSW 3 mph 79%
4am Clear 42º 6% SSW 3 mph 80%
5am Clear 41º 6% SSW 3 mph 81%
6am Sunny 41º 6% SSW 2 mph 83%
7am Sunny 43º 5% S 2 mph 79%
8am Mostly Sunny 47º 3% S 4 mph 68%
9am Mostly Sunny 51º 1% SSW 5 mph 52%
10am Partly Cloudy 54º 0% SSW 6 mph 41%
11am Partly Cloudy 56º 0% SSW 7 mph 36%
12pm Partly Cloudy 58º 0% SSW 8 mph 34%
1pm Partly Cloudy 58º 0% SSW 11 mph 34%
2pm Partly Cloudy 58º 0% SSW 12 mph 33%
3pm Mostly Cloudy 58º 0% SSW 13 mph 32%
4pm Mostly Cloudy 57º 0% SSW 13 mph 34%
5pm Mostly Cloudy 56º 0% SSW 14 mph 34%
6pm Mostly Cloudy 54º 0% SSW 13 mph 38%
7pm Cloudy 52º 0% SSW 12 mph 41%
8pm Cloudy 51º 2% SSW 11 mph 46%
9pm Cloudy 50º 2% SSW 10 mph 50%
10pm Cloudy 50º 7% SSW 10 mph 54%
11pm Cloudy 49º 24% SSW 9 mph 57%
Sun
Apr 28
AM Clouds/PM Sun
View Hourly
65º / 55º 24% SSW 11 mph 71%
12am Showers 49º 42% SSW 9 mph 63%
1am Showers 48º 44% SSW 8 mph 68%
2am Showers 48º 52% SSW 7 mph 74%
3am Showers 47º 45% SSW 6 mph 79%
4am Showers 47º 42% S 6 mph 83%
Mon
Apr 29
Partly Cloudy 71º / 52º 13% NE 11 mph 70%
Tue
Apr 30
Mostly Cloudy 60º / 52º 24% SE 11 mph 73%
Wed
May 1
Partly Cloudy 67º / 52º 22% E 11 mph 70%
Thu
May 2
Partly Cloudy 63º / 54º 14% SE 11 mph 66%
Fri
May 3
Showers 63º / 50º 40% E 10 mph 64%

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 : 58ºF
Variable winds less than 5 kt becoming ENE around 6 kt in the morning. Sunny. Seas 1 ft or less.
Tonight
Low : 40ºF
S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Saturday
High : 56ºF
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 1 ft or less.
Saturday Night
Low : 47ºF
SSW wind 8 to 10 kt. A chance of showers, mainly after 2am. Seas 1 ft or less.
Sunday
High : 61ºF
SW wind around 9 kt. A chance of showers before 8am. Seas 1 ft or less.
Sunday Night
Low : 55ºF
SSW wind 5 to 8 kt becoming W after midnight. Mostly cloudy. Seas 1 ft or less.
Monday
High : 71ºF
NNW wind around 8 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.
Monday Night
Low : 53ºF
ESE wind 6 to 9 kt. Partly cloudy. Seas 1 ft or less.
Tuesday
High : 61ºF
SE wind 7 to 11 kt. Mostly cloudy. 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

    FridaySaturdaySunday
    Wind Speed (MPH) 268985351114108
    5am9am1pm5pm9pm1am5am9am1pm5pm9pm1am
    MPH 268985351114108
    DIR ENENESSSSSWSSWSSWSSWSSWSSW

    Current Weather Conditions In Port Jefferson, NY

    As Of: 9 minutes ago

    • 34ºF
    • 34ºF
    • 2mph
    • 0º (E)
    • 2mph
    • Clear
    • 10mi
    • 30.43"
    • 91%
    • 0ºF

    The weather right now in Port Jefferson, NY is Clear. The current temperature is 34°F, and the expected high and low for today, Friday, April 26, 2024, are 58° high temperature and 40°F low temperature. The wind is currently blowing at 2 miles per hour, and coming from the East. The wind is gusting to 2 mph. With the wind and the atmosphere the temperature feels like 34° Fahrenheit. Expected precipitation is 2 percent, with current humidity at 91 percent, and air pressure at 30.43 in. Visibility is 10 nautical miles. There are no current weather alert(s).