Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
El Niño is officially underway. Here's what it means for the weather into 2027. Chevron right
Severe weather to hammer eastern, central US through the weekend. See the forecast. Chevron right

Iselin, NJ

76°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Iselin

New Jersey

76°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Iselin, NJ Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

9 AM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindSW 7 mph

Air QualityPoor

Max UV Index2.7 (Moderate)

Wind Gusts8 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

81°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™79°

Heat Index82°

WindSW 8 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts9 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

85°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™82°

Heat Index85°

WindSW 8 mph

Air QualityPoor

Max UV Index5.8 (High)

Wind Gusts13 mph

Humidity40%

Indoor Humidity40% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

87°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™84°

Heat Index86°

WindSW 9 mph

Air QualityPoor

Max UV Index7.1 (High)

Wind Gusts16 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling26300 ft

1 PM

89°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™86°

Heat Index88°

WindSW 10 mph

Air QualityFair

Max UV Index7.3 (High)

Wind Gusts20 mph

Humidity36%

Indoor Humidity36% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling22700 ft

2 PM

91°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

RealFeel Shade™87°

Heat Index90°

WindSW 10 mph

Air QualityFair

Max UV Index5.7 (High)

Wind Gusts23 mph

Humidity35%

Indoor Humidity35% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling19000 ft

3 PM

89°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 5%
Chevron down
Mostly cloudy

RealFeel Shade™86°

Heat Index89°

WindSW 10 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts23 mph

Humidity37%

Indoor Humidity37% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling17500 ft

4 PM

88°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

RealFeel Shade™85°

Heat Index88°

WindSW 10 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts23 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling16100 ft

5 PM

86°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™83°

Heat Index86°

WindSW 10 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts22 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling14700 ft

6 PM

83°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™81°

Heat Index84°

WindSSW 10 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts20 mph

Humidity52%

Indoor Humidity52% (Humid)

Dew Point63° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover81%

Visibility10 mi

Cloud Ceiling4000 ft

7 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 11%
Chevron down
Mostly cloudy
alerts

Coastal Flood Advisory

7:00 PM Sunday - 1:00 AM Monday

RealFeel Shade™81°

Heat Index83°

WindSSW 10 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts16 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point63° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling21200 ft

8 PM

80°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

7:00 PM Sunday - 1:00 AM Monday

RealFeel Shade™78°

Heat Index81°

WindS 10 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts14 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling24500 ft

9 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

7:00 PM Sunday - 1:00 AM Monday

WindSSW 9 mph

Air QualityFair

Wind Gusts13 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling18500 ft

10 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 25%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

7:00 PM Sunday - 1:00 AM Monday

WindSSW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling12500 ft

11 PM

73°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms
alerts

Coastal Flood Advisory

7:00 PM Sunday - 1:00 AM Monday

WindSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.19 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Iselin

AccuWeather's hourly forecast for Iselin provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 79°, mostly cloudy with a 6% 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.

Further Ahead

Tomorrow

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

More storms to hammer parts of eastern half of US through Sunday

3 hours ago

Climate

El Niño is here, and it’s developing faster than many typically do

2 days ago

Hurricane

South faces days of flooding rain as Gulf remains tropical focus

3 hours ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Thunderstorms could interrupt the first match in Philadelphia

1 day ago

Weather Forecasts

First heat wave of season to build in Northwest into Monday

3 hours ago

 More Stories

Featured Stories

Hurricane

Past El Niño Atlantic hurricane seasons still had devastating storms

3 days ago

Travel

Deer are already using a wildlife bridge over a crash-prone highway

3 days ago

Astronomy

Meet the Artemis III astronauts flying in 2027

4 days ago

Weather News

Gender reveal sparked wildfire. Who’s held accountable is unusual

4 days ago

Astronomy

NASA's X-59 breaks sound barrier for the first time

4 days ago
World North America United States New Jersey Iselin

Weather Near Iselin:

  • 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 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 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
© 2026 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

...

...

...