Today | Weather | Monday, July 20, 2026

Weather in Roanoke, Virginia

05:27 PM
Now
Stormy Weather
82° F
Feels Like 84°
Precipitation 51 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 69 %
Today
Sunny with a Chance of Thunderstorms
Day 82°
Night 70°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Roanoke Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 20, 2025)
Stormy Weather

Day

90°

Night

73°

Wind

6 mph

Precipitation

55 %

Air Quality in Roanoke

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.59 µg/m³
PM10 3.94 µg/m³
O3 0.039 ppm
NO2 1 ppb
SO2 0.4 ppb
CO 0.10 ppm
NH3 1.57 µg/m³
NO 0.27 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)
PM2.53.59 µg/m³
PM103.94 µg/m³
O376.23 µg/m³
NO21.8 µg/m³
SO20.94 µg/m³
CO120.25 µg/m³
NH31.57 µg/m³
NO0.27 µg/m³