Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
California braces for yet another Pacific storm. Get the forecast. Chevron right

Port Jefferson, NY

37°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Port Jefferson

New York

37°
No results found.
Try searching for a city, zip code or point of interest.
settings
Port Jefferson, NY Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

9 AM

40°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 48%
Chevron down
Showers

RealFeel Shade™37°

WindNE 6 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts7 mph

Humidity83%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility6 mi

Cloud Ceiling2700 ft

10 AM

42°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™39°

WindNE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts8 mph

Humidity79%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

11 AM

44°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™41°

WindNE 7 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity74%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling4100 ft

12 PM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 23%
Chevron down
Cloudy

RealFeel Shade™41°

WindNNE 8 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling5600 ft

1 PM

46°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

RealFeel Shade™42°

WindNNE 8 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts13 mph

Humidity68%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling7000 ft

2 PM

46°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™44°

WindNNE 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts13 mph

Humidity66%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling9600 ft

3 PM

46°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™47°

WindNE 5 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts12 mph

Humidity63%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover59%

Visibility10 mi

Cloud Ceiling12100 ft

4 PM

46°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Partly sunny

RealFeel Shade™47°

WindENE 4 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity63%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover43%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

44°
RealFeel® 44°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindNNE 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity66%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

42°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindN 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity70%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

39°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity77%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

37°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindN 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity82%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

38°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity79%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

41°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity72%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

41°
RealFeel® 38°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindNNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity70%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Friday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

California to get yet another storm with rain, mountain snow this week

28 minutes ago

Winter Weather

Couple braves blustery weather for breathtaking vow exchange

8 hours ago

Winter Weather

Utqiaġvik, Alaska begins polar night: 65 days without sunlight

18 hours ago

Severe Weather

Flooding downpours, severe storms upcoming for central US

2 hours ago

Storms slam the Southwest with flooding rain, pelting hail and dumping...

16 hours ago 0:38
More Stories

Featured Stories

Astronomy

Russian cosmonauts take shelter on ISS during severe solar storm

1 day ago

Weather News

Iran turns to cloud-seeding as historic drought causes driest fall in ...

1 day ago

Astronomy

This star’s explosion could destroy a planet’s atmosphere

1 day ago

Health

Strain of bird flu virus never before reported in people

1 day ago

Health

Bird flu spike driving up Thanksgiving turkey prices, experts warn


5 days ago
World North America United States New York Port Jefferson

Weather Near Port Jefferson:

  • Bridgeport, CT
  • New York, NY
  • Newark, NJ
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...