Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Hurricane season starts in 67 days. Here's what AccuWeather experts are saying about the forecast. Chevron right

Mercersburg, PA

60°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mercersburg

Pennsylvania

60°
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

5 AM

56°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 71%
Chevron down
Rain

WindW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity100%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling3200 ft

6 AM

54°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 71%
Chevron down
Rain

WindNW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity100%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility5 mi

Cloud Ceiling3000 ft

7 AM

52°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindNNW 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity99%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2700 ft

8 AM

52°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 61%
Chevron down
Rain

RealFeel Shade™43°

WindNNW 13 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts16 mph

Humidity79%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling2500 ft

9 AM

53°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™46°

WindN 14 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts17 mph

Humidity77%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling4300 ft

10 AM

53°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™47°

WindN 15 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts17 mph

Humidity67%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6000 ft

11 AM

52°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™44°

WindN 15 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts18 mph

Humidity63%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7800 ft

12 PM

52°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 66%
Chevron down
Rain

RealFeel Shade™41°

WindN 14 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts18 mph

Humidity58%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

1 PM

51°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 66%
Chevron down
Rain

RealFeel Shade™42°

WindN 12 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity56%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

2 PM

50°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™45°

WindN 10 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts17 mph

Humidity54%

Indoor Humidity43% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling11100 ft

3 PM

51°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™46°

WindN 9 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts15 mph

Humidity50%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling12600 ft

4 PM

51°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

RealFeel Shade™46°

WindN 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity48%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14100 ft

5 PM

50°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindN 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity48%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling15600 ft

6 PM

50°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™47°

WindN 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity47%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover49%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

49°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 13%
Chevron down
Mostly sunny

RealFeel Shade™47°

WindN 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity48%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

47°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 12 mph

Air QualityFair

Wind Gusts13 mph

Humidity51%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

45°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNW 12 mph

Air QualityFair

Wind Gusts14 mph

Humidity55%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNW 14 mph

Air QualityFair

Wind Gusts16 mph

Humidity55%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

44°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNW 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity55%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Sunday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Midwest poised for more severe weather, flooding downpours

13 hours ago

Recreation

DC cherry blossoms reach peak bloom early

18 hours ago

Weather Forecasts

Pacific storms to snap record heat wave in western U.S. next week

14 hours ago

Hurricane

Atlantic hurricane season forecast 2026: 11-16 named storms predicted

1 day ago

Weather Forecasts

April to kick off with surge of spring warmth for millions in East

1 hour ago

 More Stories

Featured Stories

Climate

Colorado towns enact water restrictions as drought forecast looks grim

18 hours ago

Astronomy

Astronaut posts 'alien' photo from space. It turned out to be a potato

15 hours ago

Recreation

Wildfire continues burning at America’s most popular National Park

1 day ago

Astronomy

What’s behind the recent spike in meteor sightings across the US?

20 hours ago

Astronomy

NASA announces new Mars mission, reshapes goals on the moon

1 day 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

...

...

...