Johnstown, PA

65° F
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Johnstown, PA Weather
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Today

 Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Current Weather

1:48 AM

65°F
RealFeel® 60°
Air Quality Excellent
Wind S 4 mph
Wind Gusts 10 mph
Rain More Details

MINUTECAST®

Rain for at least 60 min

Current Air Quality

Today

5/27

19
AQI

Excellent

The air quality is ideal for most individuals; enjoy your normal outdoor activities.

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
Moderate
The risk of mold allergy symptoms is moderate. Be sure to prevent mildew and indoor mold in your home's basement, bathrooms, and laundry room.
Grass Pollen
High
The risk of grass pollen symptoms is high. Limit your time outdoors in the early morning and mid-afternoon hours.
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
Low
The risk of weather-related sinus pressure is low.
Common Cold
Low
The risk of catching a cold is low.
Flu
Low
The risk of catching the flu is low.
Migraine
Low
The risk of suffering from a weather-related migraine is low.
Asthma
High
The risk of asthma symptoms is high. Be sure to use HEPA filters in your home to cut down on indoor asthma triggers.
Fishing
Poor
Fishing conditions are poor.
Running
Poor
Conditions for running are poor. Lightening and extremely cold temperatures are unsafe for outdoor runners.
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
Poor
Conditions for stargazing are poor.
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
Good
Composting conditions are good. Make sure you frequently add water to your compost to keep it moist.
Outdoor Entertaining
Good
Conditions for outdoor entertaining will be good. Make sure you have shade available, so guests do not overheat.
Air Travel
Ideal
Conditions for flying are ideal. Have a safe trip.
Driving
Fair
Conditions for driving are fair. Keep up with your car maintenance, such as inspecting your windshield wipers and checking your tire treads.
Mosquitos
Low
The risk for mosquito activity are low.
Indoor Pests
High
The risk for pest activity is high. Replacing outdoor lights with yellow bug lights can attract less insects near your home.
Outdoor Pests
Low
The risk for pest activity is low.
See all

TODAY’S WEATHER FORECAST

5/27
77°Hi
RealFeel® 78°
A shower and t-storm; humid

Looking Ahead

Rain and thunderstorms late Thursday night through this afternoon

TONIGHT’S WEATHER FORECAST

5/27
57°Lo
RealFeel® 52°
A passing shower late

TOMORROW’S WEATHER FORECAST

5/28
71°/ 52°
RealFeel® 71°
Showers, mainly early

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  • Pittsburgh, PA ;
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