0

Hourly Weather Forecast - Port Jefferson, NY

  • Temperature
    26°F
    Precipitation
    0%
    Wind
    3mph
    NE
    Arrow up

    Mostly Cloudy

    Humidity
    37%
    Feels like
    26°F
    Dew Point
    4°F

  • Mostly Cloudy

    Humidity
    35%
    Feels like
    28°F
    Dew Point
    4°F

  • Mostly Cloudy

    Humidity
    34%
    Feels like
    29°F
    Dew Point
    4°F

  • Partly Cloudy

    Humidity
    35%
    Feels like
    29°F
    Dew Point
    5°F

  • Mostly Sunny

    Humidity
    39%
    Feels like
    28°F
    Dew Point
    6°F

  • Mostly Sunny

    Humidity
    43%
    Feels like
    27°F
    Dew Point
    8°F

  • Clear

    Humidity
    48%
    Feels like
    26°F
    Dew Point
    9°F

  • Clear

    Humidity
    54%
    Feels like
    25°F
    Dew Point
    11°F

  • Clear

    Humidity
    59%
    Feels like
    20°F
    Dew Point
    12°F

  • Clear

    Humidity
    63%
    Feels like
    20°F
    Dew Point
    13°F

  • Clear

    Humidity
    66%
    Feels like
    24°F
    Dew Point
    14°F

  • Mostly Clear

    Humidity
    69%
    Feels like
    24°F
    Dew Point
    15°F

Top Stories

Right Arrow
Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

Read More
Today's Weather Outlook

Today's Weather Outlook

Read More
Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Read More
Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Read More
Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

Read More
U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

Read More
More NewsRight Arrow
loading ad...
Today's National Outlook
Hurricane Tracker
Allergy Forecast
Cold & Flu
Fire Updates
Traffic Cameras
Weather Cameras
Traffic Cameras
Weather Cameras
Outdoor Sports Guide