Today | Weather | Wednesday, August 26, 2026

Weather in Washington, District of Columbia

12:03 AM
Now
Night
68° F
Feels Like 66°
Precipitation 0 %
Wind 2 mph
Humidity 72 %
Today
Cloudy Weather
Day 88°
Night 70°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Washington Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 26, 2025)
Cloudy Night

Day

81°

Night

59°

Wind

6 mph

Precipitation

2 %

Air Quality in Washington

NOW
23 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.57 µg/m³
PM10 6.51 µg/m³
O3 0.015 ppm
NO2 4.3 ppb
SO2 0.2 ppb
CO 0.15 ppm
NH3 1.51 µg/m³
NO 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.55.57 µg/m³
PM106.51 µg/m³
O329.43 µg/m³
NO28.03 µg/m³
SO20.65 µg/m³
CO170.93 µg/m³
NH31.51 µg/m³
NO0 µg/m³