Port Jefferson, NY Monthly Weather

Altitude - 2m | 40°56′46″N,73°4′16″W | map (OSM)

Port Jefferson, NY

°F

2:30 amClear5mphNW

Sun, December 28, 20253:15 AM (GMT -05:00)

December

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Fri

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January

Sun	Mon	Tue	Wed	Thu Jan 1 31 °F low25 °F	Fri Jan 2 29 °F low21 °F	Sat Jan 3 34 °F low25 °F
Sun Jan 4 36 °F low30 °F	Mon Jan 5 33 °F low26 °F	Tue Jan 6 31 °F low24 °F	Wed Jan 7 31 °F low25 °F	Thu Jan 8 35 °F low28 °F	Fri Jan 9 35 °F low27 °F	Sat Jan 10 36 °F low27 °F

Last updated 6h 39min ago

Temperature in Port Jefferson, NY for month

* Port Jefferson, NY Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for Port Jefferson, NY, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for Port Jefferson, NY. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.