Today | Weather | Wednesday, May 20, 2026

Weather in Hattiesburg, Mississippi

04:53 PM
Now
Stormy Weather
82° F
Feels Like 86°
Precipitation 54 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 64 %
Today
Stormy Weather
Day 88°
Night 70°
Precipitation 96 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

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.

Hattiesburg Weather Forecast Updated

50 minutes ago
Last updated on

Air Quality in Hattiesburg

NOW
23 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.63 µg/m³
PM10 5.12 µg/m³
O3 0.025 ppm
NO2 2.9 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.55 µg/m³
NO 0.07 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)
PM2.52.63 µg/m³
PM105.12 µg/m³
O349.57 µg/m³
NO25.49 µg/m³
SO20.82 µg/m³
CO122.83 µg/m³
NH30.55 µg/m³
NO0.07 µg/m³