Current Weather
8:36 AM
57°F
Light rain
RealFeel® 54°
Cool
RealFeel Shade™ 53°
Cool
RealFeel®
54°
RealFeel Shade™
53°
Max UV Index
0.3 (Low)
Wind
NNE 6 mph
Wind Gusts
12 mph
Humidity
96%
Indoor Humidity
66% (Slightly Humid)
Dew Point
56° F
Pressure
↔ 29.78 in
Cloud Cover
100%
Visibility
4 mi
Cloud Ceiling
1200 ft
Day
9/28
62°Hi
RealFeel®
59°
Cool
RealFeel Shade™
59°
Cool
Rain and drizzle; breezy this morning; lingering flooding still possible
Max UV Index1.0 (Low)
AccuLumen Brightness Index™1 (Dark)
WindN 13 mph
Wind Gusts24 mph
Probability of Precipitation89%
Probability of Thunderstorms4%
Precipitation0.13 in
Rain Amount0.13 in
Total Hours of Precipitation4.5
Total Hours of Rain4.5
Cloud Cover98%
Night
9/28
57°Lo
RealFeel®
54°
Cool
Clouds breaking
WindNW 8 mph
Wind Gusts14 mph
Probability of Precipitation25%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover60%
Sun & Moon
11 hrs 55 mins
Rise
6:45 AM
Set
6:40 PM
Waning Gibbous
Rise
7:23 PM
Set
10:14 AM
Temperature History
9/28High
Low
Forecast
62°
57°
Average
71°
54°
Last Year
84°
66°
Record
84°
2025
38°
1989
Current Weather Conditions in Port Jefferson
Port Jefferson, New York is currently Light rain with a temperature of 57°. The current RealFeel® Temperature is 54° (Cool) based on observed conditions including 96% humidity, 100% cloud cover, a UV index of 0, and winds of 6 mph. In shade, the RealFeel Shade™ is 53°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Port Jefferson, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
