Greencastle, PA

65° F
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Greencastle, PA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

8:31 PM

65°F
RealFeel® 63°
Air Quality Fair
Wind WNW 5 mph
Wind Gusts 10 mph
Clear More Details

Current Air Quality

Today

5/16

35
AQI

Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Based on Current Pollutants

More Details

Learn more at Plumb Labs Logo

Current Air Quality

Our current air quality index (AQI) provides information on the quality of air that you are breathing and its impact on your health. There are at least six different pollutants that we track that impact the cleanliness of air and your health.

Health & Activities
See all
Tree Pollen
High
The risk of tree pollen symptoms is high. Keep your windows closed and change clothing after returning to the indoors.
Ragweed Pollen
Low
The risk for ragweed pollen symptoms is low.
Mold
High
The risk of mold allergy symptoms is high. Remove your shoes as soon as you return inside.
Grass Pollen
Low
The risk of grass pollen symptoms is low.
Dust & Dander
Low
The risk of dust and dander allergy symptoms is low.
Arthritis
Moderate
The risk of experiencing weather-related arthritis pain is moderate. Stay hydrated and stretch to help avoid arthritis symptoms.
Sinus Pressure
Moderate
The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.
Common Cold
Moderate
The risk of catching a cold is moderate.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
Very High
The risk of asthma is very high. Use a humidifier to prevent dry air in your home.
Fishing
Poor
Fishing conditions are poor.
Running
Fair
Conditions for running are fair. Stay hydrated to make your run easier.
Golf
Fair
Conditions for golfing are fair. Be prepared for 'invisible hazards' like wind that can make the game more challenging.
Biking & Cycling
Fair
Conditions for cycling are fair. Know the surfaces you'll be riding on to ensure your ride is as safe as possible with your available gear.
Beach & Pool
Poor
Conditions for a day at the beach or pool are poor. Stay out of the water if there is a chance of lightning. Only swim in water temperatures below 55 degrees if you have the proper gear.
Stargazing
Great
Conditions for stargazing are great. Invest in a red flashlight. It can help prevent additional light pollution.
Hiking
Fair
Conditions for hiking are fair. Wear the right gear and watch for slippery surfaces.
Lawn Mowing
Fair
Conditions for lawn mowing are fair. Be sure only to cut off 1/3 of the total height of your grass when mowing.
Composting
Ideal
Composting conditions are ideal. Apply a 1/4 to 1/2 inch of compost to the top of your soil.
Outdoor Entertaining
Great
Conditions for outdoor entertaining will be great. Pay attention to the mosquito or pest forecast and prepare deterrents.
Air Travel
Great
Conditions for flying are great. Have a safe trip.
Driving
Good
Conditions for driving are good. Stay alert of any changes to the weather forecast.
Mosquitos
Moderate
The risk for mosquito activity are moderate. Eliminate any standing water on your property where mosquitoes can breed.
Indoor Pests
Very High
The risk for pest activity is high. Consider an EPA-registered repellent to deter bites.
Outdoor Pests
Moderate
The risk for pest activity is moderate. Do not leave garbage or food open and unattended.
See all

TONIGHT’S WEATHER FORECAST

5/16
56°Lo
RealFeel® 55°
Clear and less humid

TOMORROW’S WEATHER FORECAST

5/17
76°/ 49°
RealFeel® 78°
Partly sunny and breezy

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