Today | Weather | Friday, October 31, 2025

Weather in Washington, District of Columbia

09:38 AM
Now
Cloudy Weather
54° F
Feels Like 46°
Precipitation 0 %
Wind 18 mph
UV Index (0 - 11+) 2
Humidity 58 %
Today
Cloudy Weather
Day 63°
Night 45°
Precipitation 1 %
Wind 18 mph
UV Index (0 - 11+) 3

Washington Weather Forecast Updated

Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 31, 2024)

Rainy Night

Day

82°

Night

63°

Wind

8 mph

Precipitation

40

Air Quality in Washington

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.83 µg/m³
PM10 1.08 µg/m³
O3 0.034 ppm
NO2 1.4 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.5 µg/m³
NO 0.43 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)
PM2.50.83 µg/m³
PM101.08 µg/m³
O367.67 µg/m³
NO22.66 µg/m³
SO20.56 µg/m³
CO130.45 µg/m³
NH30.5 µg/m³
NO0.43 µg/m³