Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Thunderstorms return to the eastern US, renewing flood risk. Click for the forecast. Chevron right
Spokane homes destroyed by wildfires in Washington. Click for the latest. Chevron right

Demarest, NJ

74°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Demarest

New Jersey

74°
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
Demarest, 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
Heat Advisory

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

August 6 - August 20

Thu 8/6

91° /75°
55%
Hot and humid with periods of sun; a thunderstorm in spots late this afternoon; possible danger of dehydration and heatstroke while doing strenuous activities
alerts

Heat Advisory

11:00 AM Thursday - 8:00 PM Friday

RealFeel®103°

RealFeel Shade™97°

Max UV Index5.0 (Moderate)

WindSW 7 mph

Total Hours of Precipitation1

Total Hours of Rain1

Fri 8/7

90° /74°
70%
Hot with clouds and sun; a couple of heavy thunderstorms late in the afternoon; storms can bring flooding downpours and localized damaging wind gusts
alerts

Heat Advisory

11:00 AM Thursday - 8:00 PM Friday

RealFeel®103°

RealFeel Shade™95°

Max UV Index8.0 (Very High)

WindWSW 6 mph

Total Hours of Precipitation1

Total Hours of Rain1

Sat 8/8

91° /73°
55%
Hot and humid with peeks of sunshine; a thunderstorm around in the afternoon; storms can bring flooding downpours and localized damaging wind gusts

RealFeel®99°

RealFeel Shade™93°

Max UV Index8.0 (Very High)

WindWSW 8 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Sun 8/9

92° /71°
25%
Mostly sunny and toasty conditions; caution advised if doing strenuous activities outside

RealFeel®98°

RealFeel Shade™91°

Max UV Index8.0 (Very High)

WindWNW 8 mph

Mon 8/10

92° /72°
55%
Partly sunny and humid; an afternoon thunderstorm in parts of the area

RealFeel®99°

RealFeel Shade™92°

Max UV Index9.0 (Very High)

WindSW 7 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Tue 8/11

86° /67°
30%
Variable clouds with a thunderstorm possible; humid

RealFeel®94°

RealFeel Shade™88°

Max UV Index7.0 (High)

WindW 8 mph

Wed 8/12

84° /64°
17%
Plenty of sunshine

RealFeel®96°

RealFeel Shade™84°

Max UV Index8.0 (Very High)

WindE 6 mph

Thu 8/13

80° /63°
1%
Sunny

RealFeel®90°

RealFeel Shade™85°

Max UV Index8.0 (Very High)

WindWSW 2 mph

Fri 8/14

81° /62°
59%
Periods of clouds and sunshine with a thunderstorm or two

RealFeel®85°

RealFeel Shade™79°

Max UV Index7.0 (High)

WindSW 6 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Sat 8/15

80° /59°
0%
Less humid with sunshine

RealFeel®81°

RealFeel Shade™77°

Max UV Index8.0 (Very High)

WindNW 8 mph

Sun 8/16

81° /59°
0%
Some sun

RealFeel®87°

RealFeel Shade™79°

Max UV Index8.0 (Very High)

WindN 5 mph

Mon 8/17

80° /61°
25%
Mainly cloudy

RealFeel®83°

RealFeel Shade™80°

Max UV Index3.0 (Moderate)

WindSSE 5 mph

Tue 8/18

82° /63°
1%
Mostly sunny

RealFeel®89°

RealFeel Shade™82°

Max UV Index8.0 (Very High)

WindNNE 4 mph

Wed 8/19

81° /62°
60%
Mostly cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®84°

RealFeel Shade™82°

Max UV Index2.0 (Low)

WindW 4 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Thu 8/20

83° /62°
10%
Sunshine

RealFeel®88°

RealFeel Shade™81°

Max UV Index8.0 (Very High)

WindNW 6 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Spokane wildfires destroy more than 700 structures

15 hours ago

Severe Weather

A tornado hit the same house twice, and it's not unprecedented

13 hours ago

Weather Forecasts

Flash flood threat returns as storms drench central, eastern U.S.

1 hour ago

Hurricane

Will there be any Atlantic tropical storms in August?

1 day ago

Weather News

Man charged with arson in Spokane wildfire

1 day ago

More Stories

Featured Stories

Weather News

Dangerous wildfire smoke causes poor air quality in Northwest

18 hours ago

Weather News

Southwest cities prepare for looming Colorado River cuts

1 day ago

Recreation

This newly discovered spider looks like it's smiling

14 hours ago

Weather News

Volcano reaches ‘critical explosive phase’ as hundreds evacuated

19 hours ago

Health

Cases of rare tick-borne disease ‘rabbit fever’ suspected in New York

1 day ago

World North America United States New Jersey Demarest

Weather Near Demarest:

  • 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

...

...

...