Today | Weather | Wednesday, March 18, 2026

Weather in Roanoke, Virginia

09:39 PM
Now
Cloudy Weather
37° F
Feels Like 36°
Precipitation 5 %
Wind 6 mph
Humidity 46 %
Today
Cloudy Weather
Day 45°
Night 28°
Precipitation 19 %
Wind 5 mph

Roanoke Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Sunny Weather

Day

72°

Night

43°

Wind

8 mph

UV Index

5

Precipitation

0 %

Air Quality in Roanoke

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.76 µg/m³
PM10 9.54 µg/m³
O3 0.042 ppm
NO2 7 ppb
SO2 0.4 ppb
CO 0.19 ppm
NH3 3.42 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)
PM2.55.76 µg/m³
PM109.54 µg/m³
O382.11 µg/m³
NO213.24 µg/m³
SO20.99 µg/m³
CO216.45 µg/m³
NH33.42 µg/m³
NO0 µg/m³