Today | Weather | Sunday, July 12, 2026

Weather in Hattiesburg, Mississippi

03:48 PM
Now
Stormy Weather
86° F
Feels Like 95°
Precipitation 60 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 78 %
Today
Stormy Weather
Day 91°
Night 73°
Precipitation 99 %
Wind 6 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

Air Quality in Hattiesburg

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.55 µg/m³
PM10 1.83 µg/m³
O3 0.032 ppm
NO2 0.4 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.02 µg/m³
NO 0.14 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)
PM2.51.55 µg/m³
PM101.83 µg/m³
O361.88 µg/m³
NO20.82 µg/m³
SO20.63 µg/m³
CO116.63 µg/m³
NH30.02 µg/m³
NO0.14 µg/m³