Weather in Port Jefferson, New York
Live weather conditions. Source: Open-Meteo
Updated May 24, 2026 · 06:31 PM ET · Refreshes every hour
55°F
Freezing rain
Feels like 53°F
99%
Humidity
8 mph
Wind Speed
About Weather in Port Jefferson
Port Jefferson is located in New York (coordinates: 40.942177°N, 73.052799°W). Weather data is sourced from Open-Meteo, a free and open meteorological API using data from national weather services including NOAA.
All temperatures are displayed in Fahrenheit. Wind speed is in miles per hour.