Today | Weather | Thursday, July 16, 2026
Active Weather Warnings

Weather in Washington, District of Columbia

12:45 PM
Now
Cloudy Weather
93° F
Feels Like 104°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 11
Humidity 41 %
Today
Cloudy Weather
Day 99°
Night 73°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Washington Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 16, 2025)
Sunny with a Chance of Thunderstorms

Day

91°

Night

77°

Wind

7 mph

UV Index

10

Precipitation

86 %

Air Quality in Washington

NOW
59 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.28 µg/m³
PM10 17.09 µg/m³
O3 0.057 ppm
NO2 0.7 ppb
SO2 0.6 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.1 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.516.28 µg/m³
PM1017.09 µg/m³
O3111 µg/m³
NO21.28 µg/m³
SO21.61 µg/m³
CO113.47 µg/m³
NH30 µg/m³
NO0.1 µg/m³

Weather Alerts and Warnings for Washington

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 16 at 9:55AM EDT until July 16 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Jul 16, 11:00 AM Jul 16, 8:00 PM
WHAT: Heat index values around 105.

WHERE: Washington DC, and portions of central, northeast,
northern, and southern Maryland, and northern Virginia.

WHEN: Until 8 PM EDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jul 16, 11:19 AM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued July 15 at 4:40PM EDT by NWS Baltimore MD/Washington DC
Jul 15, 4:40 PM Jul 17, 12:00 AM
The Metropolitan Washington Council of Governments and District
Department of Environment has issued a Code ORANGE Air Quality
Alert Thursday for
the District of Columbia.

A Code Orange Air Quality Alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children, people
suffering from asthma, heart disease or other lung diseases and
the elderly. The effects of air pollution can be minimized by
avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone
and fine particles visit the web site
https://www.mwcog.org/environment/air/forecast/
Updated: Jul 16, 11:19 AM Source: NWS Alert