Current Weather

2:51 PM

45°F

RealFeel® 51°

RealFeel Shade™ 46°

Air Quality Excellent

Wind NW 2 mph

Wind Gusts 5 mph

Sunny More Details

Current Air Quality

Today

12/4

AQI

Excellent

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

Based on Current Pollutants
More Details
Learn more at

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

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Tree Pollen

Low

The risk of tree pollen symptoms is low.

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

Low

The risk of grass pollen symptoms is low.

Dust & Dander

High

The risk of dust and dander allergy symptoms is high. Be sure you're vacuuming with a HEPA-approved filter.

Arthritis

Low

The risk of experiencing weather-related arthritis pain is low.

Sinus Pressure

Moderate

The risk of weather-related sinus pressure is moderate. Make sure you stay hydrated.

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

Low

The risk of asthma symptoms is low.

Fishing

Poor

Fishing conditions are poor.

Running

Great

Conditions for running are great. Be sure to warm up and cool down adequately.

Golf

Good

Conditions for golfing are good. Wear sunscreen while out on the course.

Biking & Cycling

Good

Conditions for cycling are good. Stay hydrated to make the most of your ride.

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

Good

Conditions for hiking are good. Stay hydrated and bring enough water to last the entire hike.

Lawn Mowing

Poor

Conditions for lawn mowing are poor. Avoid mowing your lawn when it is wet, or temperatures are too cold.

Composting

Poor

Composting conditions are poor. Keep your compost area covered.

Outdoor Entertaining

Fair

Conditions for outdoor entertaining will be fair. Pay attention to MinuteCast watch for upcoming rain showers.

Air Travel

Ideal

Conditions for flying are ideal. Have a safe trip.

Driving

Ideal

Conditions for driving are ideal.

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

Very High

The risk for pest activity is high. Consider insect bait to protect your lawn & gardens.

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TODAY’S WEATHER FORECAST

12/4

48°Hi

RealFeel® 51°

Mostly sunny and cooler

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

12/5

50°/ 37°

RealFeel® 48°

Sunny to partly cloudy

Looking Ahead

Expect showery weather Thursday afternoon through late Friday night

Herndon Weather Radar

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Today

Current Weather

Current Air Quality

Excellent The air quality is ideal for most individuals; enjoy your normal outdoor activities. Based on Current Pollutants More Details Learn more at

Learn more at

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.

TODAY’S WEATHER FORECAST

TONIGHT’S WEATHER FORECAST

TOMORROW’S WEATHER FORECAST

Looking Ahead

Herndon Weather Radar

Further Ahead

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Around the Globe

Hurricane Tracker

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Radar & Maps

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Winter Center

Weather Near Herndon:

Excellent

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

Based on Current Pollutants
More Details
Learn more at