Today | Weather | Sunday, March 15, 2026

Weather in Washington, District of Columbia

04:28 PM
Now
Rainy Weather
57° F
Feels Like 52°
Precipitation 40 %
Wind 16 mph
UV Index (0 - 11+) 1
Humidity 44 %
Today
Rainy Weather
Day 57°
Night 54°
Precipitation 40 %
Wind 12 mph
UV Index (0 - 11+) 2

Washington Weather Forecast Updated

47 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Rainy Weather

Day

59°

Night

55°

Wind

7 mph

UV Index

2

Precipitation

49 %

Air Quality in Washington

NOW
67 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.36 µg/m³
PM10 7.61 µg/m³
O3 0.059 ppm
NO2 1 ppb
SO2 0.4 ppb
CO 0.12 ppm
NH3 0.4 µg/m³
NO 0.03 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)
PM2.53.36 µg/m³
PM107.61 µg/m³
O3116.8 µg/m³
NO21.88 µg/m³
SO20.92 µg/m³
CO140.25 µg/m³
NH30.4 µg/m³
NO0.03 µg/m³