Today | Weather | Wednesday, September 23, 2026

Weather in Washington, District of Columbia

06:18 PM
Now
Rainy Weather
63° F
Feels Like 57°
Precipitation 60 %
Wind 8 mph
UV Index (0 - 11+) 0
Humidity 76 %
Today
Rainy Weather
Day 64°
Night 52°
Precipitation 97 %
Wind 10 mph
UV Index (0 - 11+) 1

Washington Weather Forecast Updated

32 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 23, 2025)
Stormy Weather

Day

84°

Night

64°

Wind

5 mph

Precipitation

55 %

Air Quality in Washington

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.6 µg/m³
PM10 6.3 µg/m³
O3 0.028 ppm
NO2 2.9 ppb
SO2 0.6 ppb
CO 0.17 ppm
NH3 0.46 µg/m³
NO 0.09 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)
PM2.52.6 µg/m³
PM106.3 µg/m³
O354.27 µg/m³
NO25.54 µg/m³
SO21.69 µg/m³
CO192.48 µg/m³
NH30.46 µg/m³
NO0.09 µg/m³