Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe thunderstorms to rumble across the central, eastern US this week. Click for the forecast. Chevron right

Greencastle, PA

71°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Greencastle

Pennsylvania

71°
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
Greencastle, 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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

12 AM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity68%

Indoor Humidity68% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity74%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™64°

WindSSW 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts8 mph

Humidity79%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™66°

WindSSW 7 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts8 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™71°

WindSW 8 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts12 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

79°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™75°

WindSW 10 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts15 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

82°
RealFeel® 83°
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 0%
Chevron down
Partly sunny

RealFeel Shade™78°

WindWSW 12 mph

Air QualityFair

Max UV Index5.1 (Moderate)

Wind Gusts18 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

85°
RealFeel® 87°
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 0%
Chevron down
Partly sunny

RealFeel Shade™81°

WindSW 13 mph

Air QualityFair

Max UV Index6.9 (High)

Wind Gusts21 mph

Humidity39%

Indoor Humidity39% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
RealFeel® 90°
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 0%
Chevron down
Partly sunny

RealFeel Shade™84°

WindSW 13 mph

Air QualityFair

Max UV Index7.6 (Very High)

Wind Gusts22 mph

Humidity34%

Indoor Humidity34% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
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 1%
Chevron down
Partly sunny

RealFeel Shade™86°

WindSW 16 mph

Air QualityPoor

Max UV Index6.9 (High)

Wind Gusts30 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

91°
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 1%
Chevron down
Partly sunny

RealFeel Shade™87°

WindSW 16 mph

Air QualityPoor

Max UV Index5.1 (Moderate)

Wind Gusts30 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
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 1%
Chevron down
Partly sunny

RealFeel Shade™89°

WindWSW 16 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts30 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
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 2%
Chevron down
Partly sunny

RealFeel Shade™87°

WindWSW 16 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts30 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 86°
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 2%
Chevron down
Partly sunny

RealFeel Shade™85°

WindWSW 16 mph

Air QualityPoor

Max UV Index1.5 (Low)

Wind Gusts29 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

86°
RealFeel® 82°
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 5%
Chevron down
Intermittent clouds

RealFeel Shade™82°

WindW 15 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts28 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19800 ft

8 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Cloudy

WindW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

80°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Cloudy

WindW 9 mph

Air QualityFair

Wind Gusts17 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

78°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 16%
Chevron down
Cloudy

WindW 8 mph

Air QualityFair

Wind Gusts17 mph

Humidity46%

Indoor Humidity46% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

75°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindW 8 mph

Air QualityFair

Wind Gusts15 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

Hourly Weather Forecast for Greencastle

AccuWeather's hourly forecast for Greencastle provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 70° with a RealFeel® of 68°, clear with a 0% 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

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Cold snap, freeze to follow heat wave in part of eastern U.S.

10 hours ago

Weather News

75-car pile up on snowy I-70 in Colorado shuts down mountain corridor

13 hours ago

Hurricane

Super Typhoon Sinlaku causes serious damage to islands

8 hours ago

Severe Weather

Severe storms and flooding continue into the weekend

7 hours ago

Severe Weather

Tornadoes, grapefruit-size hail hit Iowa, Wisconsin amid week of storm...

11 hours ago

 More Stories

Featured Stories

Weather News

114 years later: How weather helped seal the Titanic’s fate

9 hours ago

Weather News

River flooding, possible dam failure threatens Wisconsin, Michigan

8 hours ago

Astronomy

Astronaut’s reunion with her dog is pure joy

2 days ago

Climate

Swiss singer performs inside Morteratsch glacier cave before it melts

2 days ago

Astronomy

Lyrids 2026: How to see the 1st meteor shower since January

2 days ago
World North America United States Pennsylvania Greencastle

Weather Near Greencastle:

  • 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

...

...

...