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Port Jefferson, NY

78°F
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Port Jefferson

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Port Jefferson, NY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 PM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindWSW 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts15 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling4000 ft

9 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindW 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindWNW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindNW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Port Jefferson

AccuWeather's hourly forecast for Port Jefferson provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 78°, mostly cloudy with a 20% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Port Jefferson:

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  • New York, NY
  • Newark, NJ
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