Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather to focus on central U.S. into the start of April. See the forecast. Chevron right
Snow and ice to kick off April from Minnesota to Maine. Get the forecast. Chevron right

Mercersburg, PA

65°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mercersburg

Pennsylvania

65°
No results found.
Try searching for a city, zip code or point of interest.
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
Mercersburg, PA 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

9 PM

64°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Mostly cloudy

WindSW 8 mph

Air QualityFair

Wind Gusts13 mph

Humidity69%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling13000 ft

10 PM

61°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

WindSSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity76%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling10900 ft

11 PM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 6%
Chevron down
Cloudy

WindSSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity76%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling12800 ft

Further Ahead

Tomorrow

Wednesday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Pre-Easter severe storms, flooding downpours to focus on central US

5 hours ago

Winter Weather

Ice and snow to bring power outage, travel risks to northern U.S.

5 hours ago

Astronomy

April’s full Pink moon rises April 1: Here’s when to watch

3 days ago

Weather Forecasts

Series of storms to usher in rain, cooler air to the West

5 hours ago

Astronomy

Artemis II: Weather ‘go’ for historic moon launch

9 hours ago

 More Stories

Featured Stories

Astronomy

Artemis II: What to know about this historic moon mission

12 hours ago

Recreation

DC cherry blossoms reach peak bloom early

4 days ago

Astronomy

April's back-to-back astronomy events include 1st meteor shower in mon...

3 days ago

Astronomy

Everything's bigger on Jupiter, including its lightning bolts

3 days ago

Economic Impact

Gas prices surge nearly $1 in a month as EV charging holds steady

3 days ago
World North America United States Pennsylvania Mercersburg

Weather Near Mercersburg:

  • Harrisburg, PA
  • Lancaster, PA
  • York, PA
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

...

...

...