Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Apr 19 		Cloudy
Close Hourly 		57º / 48º 2% SE 12 mph 61%
3pm Mostly Cloudy 55º 1% SE 11 mph 59%
4pm Mostly Cloudy 55º 2% SE 11 mph 61%
5pm Cloudy 54º 2% SE 10 mph 63%
6pm Cloudy 53º 2% SE 11 mph 67%
7pm Cloudy 51º 4% SSE 10 mph 71%
8pm Cloudy 50º 5% SSE 8 mph 76%
9pm Cloudy 49º 7% SSE 7 mph 81%
10pm Cloudy 49º 14% SSE 6 mph 84%
11pm Cloudy 49º 20% SSE 5 mph 84%
Sat
Apr 20 		AM Rain
View Hourly 		64º / 41º 86% W 13 mph 69%
12am Cloudy 49º 20% SSE 6 mph 85%
1am Cloudy 50º 21% S 5 mph 87%
2am Cloudy 49º 24% S 5 mph 89%
3am Showers 49º 37% S 4 mph 90%
4am Showers 49º 47% S 4 mph 91%
5am Rain 49º 76% S 5 mph 93%
6am Rain 49º 88% SSW 4 mph 94%
7am Rain 49º 81% SW 4 mph 94%
8am Rain 51º 86% WSW 6 mph 91%
9am Light Rain 52º 80% W 7 mph 87%
10am Light Rain 53º 61% W 8 mph 83%
11am Few Showers 53º 32% WNW 9 mph 81%
12pm Cloudy 55º 21% WNW 9 mph 74%
1pm Mostly Cloudy 57º 9% NW 9 mph 68%
2pm Mostly Cloudy 59º 2% W 9 mph 58%
3pm Partly Cloudy 60º 1% W 9 mph 53%
4pm Partly Cloudy 62º 1% WSW 11 mph 49%
5pm Partly Cloudy 62º 4% WSW 11 mph 45%
6pm Partly Cloudy 61º 5% W 13 mph 47%
7pm Partly Cloudy 58º 8% WNW 11 mph 49%
8pm Partly Cloudy 54º 6% WNW 13 mph 54%
9pm Clear 53º 5% NW 10 mph 58%
10pm Clear 51º 3% NW 13 mph 58%
11pm Clear 50º 1% NNW 13 mph 57%
Sun
Apr 21 		Partly Cloudy
View Hourly 		57º / 43º 1% W 14 mph 43%
12am Clear 49º 1% NNW 13 mph 56%
1am Clear 47º 1% NNW 12 mph 57%
2am Clear 46º 1% NNW 10 mph 58%
3am Clear 44º 1% NW 8 mph 61%
4am Clear 43º 1% NW 7 mph 62%
5am Clear 43º 1% NW 7 mph 63%
6am Clear 42º 1% WNW 7 mph 63%
7am Partly Cloudy 43º 1% WNW 8 mph 62%
8am Partly Cloudy 45º 0% WNW 10 mph 55%
9am Partly Cloudy 47º 0% WNW 11 mph 49%
10am Partly Cloudy 48º 0% WNW 12 mph 45%
11am Partly Cloudy 49º 0% W 12 mph 43%
12pm Mostly Cloudy 51º 0% W 13 mph 39%
1pm Partly Cloudy 52º 0% W 13 mph 38%
2pm Mostly Cloudy 53º 0% W 14 mph 37%
Mon
Apr 22 		Sunny 57º / 42º 1% NW 12 mph 41%
Tue
Apr 23 		Mostly Sunny 58º / 49º 1% SSE 15 mph 45%
Wed
Apr 24 		PM Showers 59º / 40º 54% SSW 15 mph 64%
Thu
Apr 25 		Mostly Sunny 56º / 42º 18% NW 16 mph 46%
Fri
Apr 26 		Mostly Sunny 57º / 45º 2% NW 10 mph 48%

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 : 51ºF
SE wind around 10 kt. Partly sunny. Seas 1 ft or less.
Tonight
Low : 47ºF
SSE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Showers likely, mainly after 2am. Patchy fog after 2am. Seas 1 ft or less.
Saturday
High : 61ºF
WNW wind 6 to 10 kt. Showers likely, mainly before 11am. Patchy fog before 8am. Seas 1 ft or less.
Saturday Night
Low : 44ºF
NW wind 10 to 12 kt. Mostly clear. Seas 1 ft or less.
Sunday
High : 55ºF
WNW wind 9 to 11 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.
Sunday Night
Low : 45ºF
SW wind 7 to 9 kt becoming W after midnight. Partly cloudy. Seas 1 ft or less.
Monday
High : 58ºF
NW wind 6 to 9 kt becoming W in the afternoon. Sunny. Seas around 1 ft.
Monday Night
Low : 44ºF
WNW wind around 6 kt becoming ENE after midnight. Mostly clear. Seas around 1 ft.
Tuesday
High : 56ºF
ESE wind 6 to 11 kt becoming SSE in the afternoon. 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

    FridaySaturdaySunday
    Wind Speed (MPH) 11105449911138812
    3pm7pm11pm3am7am11am3pm7pm11pm3am7am11am
    MPH 11105449911138812
    DIR SESSESSESSWWNWWWNWNNWNWWNWW

    Current Weather Conditions In Port Jefferson, NY

    As Of: 1 minute ago

    • 55ºF
    • 52ºF
    • 11mph
    • 0º (SE)
    • 18mph
    • Mostly Cloudy
    • 10mi
    • 30.09"
    • 59%
    • 0ºF

    The weather right now in Port Jefferson, NY is Mostly Cloudy. The current temperature is 55°F, and the expected high and low for today, Friday, April 19, 2024, are 57° high temperature and 48°F low temperature. The wind is currently blowing at 11 miles per hour, and coming from the Southeast. The wind is gusting to 18 mph. With the wind and the atmosphere the temperature feels like 52° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 59 percent, and air pressure at 30.09 in. Visibility is 10 nautical miles. There are no current weather alert(s).