Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Jul 6
Scattered Thunderstorms 90º / 68º 40% SE 7 mph 91%
Tue
Jul 7
AM Showers
View Hourly
77º / 71º 30% SE 11 mph 81%
3am Isolated Thunderstorms 69º 30% SE 7 mph 91%
4am Scattered Thunderstorms 69º 40% ESE 6 mph 91%
5am Scattered Thunderstorms 70º 40% ESE 7 mph 92%
6am Showers 70º 40% ESE 6 mph 92%
7am Cloudy 71º 20% ESE 7 mph 92%
8am Few Showers 72º 30% ESE 8 mph 88%
9am Few Showers 73º 30% ESE 9 mph 84%
10am Few Showers 74º 30% SE 9 mph 81%
11am Cloudy 75º 20% SE 10 mph 79%
12pm Few Showers 76º 30% SE 10 mph 76%
1pm Cloudy 76º 20% SE 11 mph 78%
2pm Mostly Cloudy 76º 20% SE 12 mph 76%
3pm Mostly Cloudy 77º 20% SE 12 mph 75%
4pm Mostly Cloudy 77º 20% SE 12 mph 77%
5pm Mostly Cloudy 76º 20% SE 11 mph 80%
6pm Isolated Thunderstorms 75º 30% SE 10 mph 82%
7pm Isolated Thunderstorms 75º 30% SSE 10 mph 84%
8pm Isolated Thunderstorms 74º 30% SSE 9 mph 89%
9pm Scattered Thunderstorms 73º 40% SSE 8 mph 90%
10pm Scattered Thunderstorms 73º 50% SSE 8 mph 91%
11pm Scattered Thunderstorms 73º 50% SSE 8 mph 92%
Wed
Jul 8
Partly Cloudy
View Hourly
84º / 72º 20% SSW 13 mph 73%
12am Scattered Thunderstorms 73º 50% SSE 8 mph 93%
1am Scattered Thunderstorms 73º 40% S 8 mph 95%
2am Isolated Thunderstorms 73º 30% S 8 mph 96%
3am Mostly Cloudy 73º 20% S 7 mph 96%
4am Mostly Cloudy 73º 20% S 7 mph 96%
5am Mostly Cloudy 73º 20% SSW 7 mph 96%
6am Mostly Cloudy 73º 20% SSW 6 mph 96%
7am Mostly Cloudy 74º 20% SSW 7 mph 93%
8am Mostly Cloudy 76º 20% SSW 8 mph 87%
9am Mostly Cloudy 78º 20% SSW 9 mph 80%
10am Mostly Cloudy 79º 20% SSW 9 mph 75%
11am Mostly Cloudy 80º 20% SSW 10 mph 71%
12pm Mostly Cloudy 82º 10% SSW 10 mph 69%
1pm Mostly Cloudy 82º 10% SSW 11 mph 68%
2pm Partly Cloudy 82º 20% SSW 12 mph 65%
3pm Partly Cloudy 83º 10% SSW 12 mph 64%
4pm Mostly Cloudy 82º 10% SSW 13 mph 67%
5pm Partly Cloudy 81º 10% SSW 13 mph 67%
6pm Mostly Cloudy 79º 10% SSW 12 mph 74%
7pm Mostly Cloudy 78º 10% SSW 11 mph 76%
8pm Mostly Cloudy 77º 10% SSW 10 mph 80%
9pm Mostly Cloudy 76º 10% SSW 8 mph 83%
10pm Mostly Cloudy 76º 10% SSW 8 mph 86%
11pm Mostly Cloudy 75º 10% SSW 8 mph 88%
Thu
Jul 9
Mostly Sunny
View Hourly
86º / 72º 10% S 11 mph 70%
12am Partly Cloudy 75º 10% SSW 7 mph 90%
Fri
Jul 10
Thunderstorms 80º / 72º 100% ESE 15 mph 80%
Sat
Jul 11
Thunderstorms 85º / 73º 80% WNW 11 mph 75%
Sun
Jul 12
Mostly Sunny 87º / 72º 20% WSW 10 mph 66%
Mon
Jul 13
Partly Cloudy 86º / 73º 20% WSW 8 mph 64%
Tue
Jul 14
Thunderstorms 83º / 70º 80% E 9 mph 68%
Wed
Jul 15
Partly Cloudy 84º / 71º 20% E 10 mph 67%

Weather Radar for Port Jefferson, NY See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Jefferson, NY

Overnight
Low : 70ºF
ESE wind 6 to 8 kt. A chance of showers and thunderstorms. Seas around 1 ft.
Tuesday
High : 76ºF
ESE wind 7 to 9 kt. A chance of showers. Seas around 1 ft.
Tuesday Night
Low : 73ºF
SE wind 6 to 8 kt becoming S after midnight. A chance of showers and thunderstorms. Seas around 1 ft.
Wednesday
High : 86ºF
S wind 5 to 9 kt. A chance of showers and thunderstorms, mainly after 2pm. Seas 1 ft or less.
Wednesday Night
Low : 75ºF
SSW wind around 7 kt. A slight chance of showers and thunderstorms before 10pm. Seas 1 ft or less.
Thursday
High : 83ºF
SSW wind around 6 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.
Thursday Night
Low : 75ºF
S wind 5 to 7 kt. Partly cloudy. Seas around 1 ft.
Friday
High : 80ºF
ESE wind 7 to 10 kt. Showers likely. The rain could be heavy at times. Seas around 1 ft.
Friday Night
Low : 74ºF
ESE wind around 12 kt. Showers likely. The rain could be heavy at times. Seas around 1 ft.

NOAA Buoy Data Near Port Jefferson, NY See Map

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    Wind Speed Forecast for Port Jefferson, NY

    TuesdayWednesday
    Wind Speed (MPH) 771012108771012118
    3am7am11am3pm7pm11pm3am7am11am3pm7pm11pm
    MPH 771012108771012118
    DIR SEESESESESSESSESSSWSSWSSWSSWSSW

    Current Weather Conditions In Port Jefferson, NY

    As Of: 44 minutes ago

    • 70ºF
    • 70ºF
    • 8mph
    • 140º (SE)
    • 0mph
    • Overcast
    • 10mi
    • 1000
    • 30.13"
    • 90%
    • 67ºF

    The weather right now in Port Jefferson, NY is Isolated Thunderstorms. The current temperature is 69°F, and the expected high and low for today, Tuesday, July 7, 2020, are 90°F high temperature and 68°F low temperature. The wind is currently blowing at 7 miles per hour, and coming from the Southeast. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 70°F farenheit. Expected precipitation is 30 percent, with current humidity at 90 percent, and air pressure at 30.13 in. Visibility is 10 nautical miles. There are no current weather alert(s).