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Triple flood threat in the central US fueled by Pacific hurricanes. Click to read the forecast.

Port Jefferson, NY

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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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Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

61°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

76%

Rain

RealFeel Shade™55°

WindN 13 mph

Air QualityExcellent

Max UV Index0.5 (Low)

Wind Gusts22 mph

Humidity94%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility6 mi

Cloud Ceiling1100 ft

5 PM

61°

RealFeel® 56°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

62%

Showers

RealFeel Shade™56°

WindN 13 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity95%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling1100 ft

6 PM

61°

RealFeel® 54°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

70%

Rain

RealFeel Shade™54°

WindN 13 mph

Air QualityExcellent

Max UV Index0.2 (Low)

Wind Gusts20 mph

Humidity88%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Rain0.02 in

Visibility6 mi

Cloud Ceiling1200 ft

7 PM

60°

RealFeel® 56°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

49%

Cloudy

WindN 12 mph

Air QualityExcellent

Wind Gusts17 mph

Humidity89%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling1300 ft

8 PM

59°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

20%

Cloudy

WindNNW 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity87%

Indoor Humidity63% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1500 ft

9 PM

58°

RealFeel® 54°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

20%

Mostly cloudy

WindNNW 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity88%

Indoor Humidity62% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling1600 ft

10 PM

58°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

20%

Mostly cloudy

WindNNW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity87%

Indoor Humidity61% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling1800 ft

11 PM

58°

RealFeel® 55°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

20%

Cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity87%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 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 61° with a RealFeel® of 55°, rain with a 76% 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:

Bridgeport, CT
New York, NY
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