Today | Weather | Sunday, August 9, 2026

Weather in Alexandria, Virginia

05:40 PM
Now
Cloudy Weather
93° F
Feels Like 97°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 43 %
Today
Cloudy Weather
Day 95°
Night 72°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Alexandria Weather Forecast Updated

2 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 9, 2025)
Night

Day

88°

Night

61°

Wind

5 mph

Precipitation

0 %

Air Quality in Alexandria

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.58 µg/m³
PM10 1.74 µg/m³
O3 0.036 ppm
NO2 1.4 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.66 µg/m³
NO 0.19 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)
PM2.51.58 µg/m³
PM101.74 µg/m³
O370.93 µg/m³
NO22.58 µg/m³
SO20.22 µg/m³
CO130.18 µg/m³
NH30.66 µg/m³
NO0.19 µg/m³