Port Jefferson, NY Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Thu
Jan 23
Partly Cloudy
Close Hourly
44º / 30º 0% WSW 7 mph 53%
4am Clear 24º 0% W 1 mph 90%
5am Clear 25º 0% WSW 1 mph 87%
6am Clear 25º 0% SW 1 mph 85%
7am Mostly Clear 27º 0% SW 2 mph 78%
8am Mostly Sunny 28º 0% SW 3 mph 73%
9am Partly Cloudy 32º 0% SW 5 mph 61%
10am Partly Cloudy 35º 0% WSW 6 mph 53%
11am Partly Cloudy 38º 0% WSW 7 mph 45%
12pm Partly Cloudy 40º 0% W 8 mph 45%
1pm Partly Cloudy 41º 0% W 6 mph 43%
2pm Partly Cloudy 42º 0% W 6 mph 40%
3pm Mostly Cloudy 42º 0% W 4 mph 41%
4pm Mostly Cloudy 41º 0% W 3 mph 44%
5pm Mostly Cloudy 38º 0% WSW 3 mph 50%
6pm Mostly Cloudy 36º 0% SW 2 mph 59%
7pm Cloudy 35º 0% SW 2 mph 62%
8pm Cloudy 35º 0% SW 2 mph 65%
9pm Cloudy 34º 0% SW 2 mph 67%
10pm Cloudy 34º 0% SSW 2 mph 69%
11pm Cloudy 34º 0% SW 2 mph 72%
Fri
Jan 24
Partly Cloudy
View Hourly
46º / 35º 10% NE 8 mph 64%
12am Cloudy 33º 0% WSW 2 mph 74%
1am Mostly Cloudy 33º 10% W 3 mph 76%
2am Mostly Cloudy 32º 10% WNW 2 mph 77%
3am Mostly Cloudy 32º 10% NW 2 mph 81%
4am Mostly Cloudy 31º 10% NNW 2 mph 83%
5am Mostly Cloudy 31º 10% NNE 2 mph 86%
6am Mostly Cloudy 31º 10% NNE 2 mph 85%
7am Mostly Cloudy 31º 10% NNE 3 mph 81%
8am Partly Cloudy 32º 10% NE 4 mph 78%
9am Partly Cloudy 35º 0% NE 5 mph 72%
10am Partly Cloudy 38º 0% NE 5 mph 66%
11am Partly Cloudy 40º 0% NE 6 mph 60%
12pm Mostly Sunny 42º 0% NE 7 mph 55%
1pm Sunny 44º 0% NE 7 mph 53%
2pm Sunny 44º 0% NE 8 mph 52%
3pm Mostly Sunny 44º 0% ENE 8 mph 54%
4pm Partly Cloudy 42º 0% ENE 8 mph 59%
5pm Partly Cloudy 40º 0% ENE 8 mph 64%
6pm Partly Cloudy 39º 10% ENE 7 mph 69%
7pm Partly Cloudy 38º 10% ENE 7 mph 74%
8pm Partly Cloudy 37º 10% ENE 8 mph 78%
9pm Partly Cloudy 37º 10% ENE 9 mph 83%
10pm Partly Cloudy 36º 10% ENE 10 mph 86%
11pm Partly Cloudy 37º 10% ENE 10 mph 87%
Sat
Jan 25
Rain
View Hourly
48º / 35º 100% E 19 mph 87%
12am Partly Cloudy 37º 10% ENE 10 mph 89%
1am Mostly Cloudy 37º 10% ENE 11 mph 89%
2am Mostly Cloudy 37º 10% ENE 11 mph 89%
3am Cloudy 37º 10% ENE 12 mph 92%
Sun
Jan 26
Partly Cloudy 45º / 33º 10% W 15 mph 70%
Mon
Jan 27
Partly Cloudy 44º / 30º 10% WNW 13 mph 65%
Tue
Jan 28
Partly Cloudy 41º / 28º 10% NNW 9 mph 61%
Wed
Jan 29
Partly Cloudy 39º / 30º 20% NNW 6 mph 58%
Thu
Jan 30
Partly Cloudy 40º / 33º 20% NNE 7 mph 55%
Fri
Jan 31
PM Showers 43º / 34º 40% NE 11 mph 70%
Sat
Feb 1
Partly Cloudy 43º / 32º 20% NW 11 mph 66%

Weather Radar Map near Port Jefferson, NY See Radar

NOAA Weather Marine Forecast for Port Jefferson, NY

Today
High : 41ºF
Mostly sunny, with a high near 41. Wind chill values between 25 and 35. Calm wind becoming west 5 to 8 mph in the morning.
Tonight
Low : 30ºF
Mostly cloudy, with a low around 30. Southwest wind around 5 mph becoming calm in the evening.
Friday
High : 44ºF
Partly sunny, with a high near 44. Wind chill values between 25 and 35. Northeast wind 7 to 10 mph.
Friday Night
Low : 37ºF
Mostly cloudy, with a low around 37. Wind chill values between 30 and 35. East wind 10 to 16 mph.
Saturday
High : 44ºF
Rain. High near 44. Breezy, with an east wind 18 to 24 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Low : 37ºF
Rain before 3am, then a chance of rain and sleet. Low around 37. Chance of precipitation is 80%. Little or no sleet accumulation expected.
Sunday
High : 41ºF
Partly sunny, with a high near 41.
Sunday Night
Low : 35ºF
Mostly cloudy, with a low around 35.
Monday
High : 41ºF
Mostly sunny, with a high near 41.
Monday Night
Low : 31ºF
Partly cloudy, with a low around 31.
Tuesday
High : 39ºF
Mostly sunny, with a high near 39.
Tuesday Night
Low : 31ºF
Partly cloudy, with a low around 31.
Wednesday
High : 40ºF
Mostly sunny, with a high near 40.

NOAA Buoy Data Near Port Jefferson, NY See Map

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    Wind Speed Forecast for Port Jefferson, NY

    ThursdayFridaySaturday
    Wind Speed (MPH) 1383222478810
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 1383222478810
    DIR WSWWWSWWSWNNWNENEENEENEENE

    Current Weather Conditions In Port Jefferson, NY

    As Of: 1 hour ago

    • 22ºF
    • 22ºF
    • 0mph
    • 0º ()
    • 0mph
    • Clear
    • 9mi
    • Unl
    • 30.39"
    • 89%
    • 19ºF

    The weather right now in Port Jefferson, NY is Clear. The current temperature is 24°F, and the expected high and low for today, Thursday, January 23, 2020, are 44°F high temperature and 30°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the West. The wind is gusting to 0 mph. With the wind and the atmosphere the temperature feels like 22°F farenheit. Expected precipitation is 0 percent, with current humidity at 89 percent, and air pressure at 30.39 in. Visibility is 9 nautical miles. There are no current weather alert(s).