Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Fall Foliage Forecast: See where vibrant colors are expected in autumn. Chevron right
Catastrophic flash flood sweeps through Nepal. Click for the latest. Chevron right

Allentown, PA

70°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Allentown

Pennsylvania

70°
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
Allentown, PA 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
Flood Watch

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

August 27 - September 10

Thu 8/27

81° /65°
97%
Mostly cloudy and humid with a couple of heavy thunderstorms; storms can bring flash flooding and damaging winds
alerts

Flood Watch

12:00 PM Thursday - 4:00 AM Friday

RealFeel®87°

RealFeel Shade™84°

Max UV Index4.0 (Moderate)

WindS 7 mph

Total Hours of Precipitation3.5

Total Hours of Rain3.5

Fri 8/28

82° /61°
55%
Clouds giving way to some sun and humid with a thunderstorm in spots

RealFeel®91°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindNNW 6 mph

Total Hours of Precipitation1

Total Hours of Rain1

Sat 8/29

81° /62°
25%
Partly sunny and less humid; a beautiful start to the weekend

RealFeel®89°

RealFeel Shade™79°

Max UV Index7.0 (High)

WindNW 5 mph

Sun 8/30

85° /66°
55%
Clouds and sunshine with a shower in places; humid

RealFeel®90°

RealFeel Shade™84°

Max UV Index7.0 (High)

WindWSW 7 mph

Total Hours of Precipitation1

Total Hours of Rain1

Mon 8/31

86° /67°
49%
Humid with times of sun and clouds; an afternoon shower in places

RealFeel®91°

RealFeel Shade™86°

Max UV Index6.0 (High)

WindWSW 6 mph

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Tue 9/1

90° /71°
55%
A morning thunderstorm in spots; otherwise, hot and humid with sunshine and a few clouds

RealFeel®101°

RealFeel Shade™93°

Max UV Index7.0 (High)

WindN 7 mph

Total Hours of Precipitation1

Total Hours of Rain1

Wed 9/2

88° /66°
25%
Very warm and humid with sunshine and a few clouds

RealFeel®96°

RealFeel Shade™90°

Max UV Index7.0 (High)

WindENE 6 mph

Thu 9/3

84° /65°
1%
Mostly sunny and less humid

RealFeel®88°

RealFeel Shade™82°

Max UV Index7.0 (High)

WindWNW 5 mph

Fri 9/4

87° /65°
1%
Mostly sunny and very warm

RealFeel®91°

RealFeel Shade™86°

Max UV Index6.0 (High)

WindNW 4 mph

Sat 9/5

86° /63°
58%
Mainly cloudy and very warm; a touch of afternoon rain

RealFeel®90°

RealFeel Shade™85°

Max UV Index6.0 (High)

WindENE 5 mph

Total Hours of Precipitation1

Total Hours of Rain1

Sun 9/6

82° /60°
3%
Sunny much of the time

RealFeel®83°

RealFeel Shade™79°

Max UV Index6.0 (High)

WindESE 8 mph

Mon 9/7

81° /60°
1%
Times of clouds and sun

RealFeel®83°

RealFeel Shade™79°

Max UV Index5.0 (Moderate)

WindS 4 mph

Tue 9/8

81° /61°
60%
A couple of morning showers; otherwise, variable cloudiness

RealFeel®88°

RealFeel Shade™82°

Max UV Index3.0 (Moderate)

WindWNW 4 mph

Total Hours of Precipitation1

Total Hours of Rain1

Wed 9/9

83° /57°
25%
Partly sunny and less humid

RealFeel®87°

RealFeel Shade™80°

Max UV Index6.0 (High)

WindSW 4 mph

Thu 9/10

79° /60°
20%
Partly sunny with low humidity

RealFeel®79°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindNNW 9 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fall foliage forecast 2026: Where to expect the best color in the US

1 day ago

Astronomy

Best lunar eclipse for the US until 2029 arrives Thursday night

18 hours ago

Hurricane

Could a tropical wave beat the odds and become 'Dolly?'

32 minutes ago

Severe Weather

Hundreds missing after massive flood wave on China-Nepal border

17 hours ago

Weather Forecasts

Los Angeles heat wave may extend to last weekend of August

3 hours ago

More Stories

Featured Stories

Weather News

Ross Fire doubles to 80,000 acres, destroys structures

21 hours ago

Climate

Global ocean heat breaks record months after its usual peak

1 day ago

Astronomy

NASA’s Roman Space Telescope set to launch Sunday

19 hours ago

Weather News

Heavy rains hit vulnerable communities after Venezuela earthquakes

22 hours ago

Weather News

Salmonella cases from jalapeno peppers reach 431 across 32 states

5 days ago

World North America United States Pennsylvania Allentown

Weather Near Allentown:

  • Philadelphia, PA
  • Reading, PA
  • Trenton, 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

...

...

...