Today | Weather | Thursday, May 21, 2026

Weather in Greensboro, North Carolina

11:20 AM
Now
Cloudy Weather
82° F
Feels Like 93°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 7
Humidity 51 %
Today
Sunny with a Chance of Thunderstorms
Day 90°
Night 59°
Precipitation 85 %
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.

Greensboro Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 21, 2025)
Partly Sunny with Showers

Day

84°

Night

59°

Wind

8 mph

UV Index

10

Precipitation

40 %

Air Quality in Greensboro

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.77 µg/m³
PM10 6.12 µg/m³
O3 0.026 ppm
NO2 1.1 ppb
SO2 0.3 ppb
CO 0.10 ppm
NH3 2.47 µg/m³
NO 0.63 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)
PM2.52.77 µg/m³
PM106.12 µg/m³
O351.69 µg/m³
NO22.13 µg/m³
SO20.8 µg/m³
CO115.95 µg/m³
NH32.47 µg/m³
NO0.63 µg/m³