Today | Weather | Tuesday, April 7, 2026

Weather in Hattiesburg, Mississippi

05:10 AM
Now
Cloudy Night
46° F
Feels Like 45°
Precipitation 0 %
Wind 4 mph
Humidity 80 %
Today
Sunny Weather
Day 81°
Night 52°
Precipitation 3 %
Wind 8 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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

40 minutes ago
Last updated on

Air Quality in Hattiesburg

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.33 µg/m³
PM10 4.6 µg/m³
O3 0.042 ppm
NO2 1.1 ppb
SO2 0.5 ppb
CO 0.12 ppm
NH3 1.88 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)
PM2.53.33 µg/m³
PM104.6 µg/m³
O383.4 µg/m³
NO22.12 µg/m³
SO21.42 µg/m³
CO135.48 µg/m³
NH31.88 µg/m³
NO0 µg/m³