Hourly Weather | Today Wednesday, August 12, 2026
Active Weather Warnings
Hattiesburg, Mississippi
8 AM
Cloudy Weather
81°
Feels Like 93°
5
Humidity: 85%
UV Index: 2
Wind: 4 mph
9 AM
Cloudy Weather
84°
Feels Like 99°
5
Humidity: 77%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
88°
Feels Like 104°
6
Humidity: 67%
UV Index: 5
Wind: 6 mph
11 AM
Cloudy Weather
91°
Feels Like 108°
7
Humidity: 60%
UV Index: 7
Wind: 6 mph
12 PM
Cloudy Weather
93°
Feels Like 111°
7
Humidity: 53%
UV Index: 10
Wind: 6 mph
1 PM
Cloudy Weather
97°
Feels Like 113°
9
Humidity: 48%
UV Index: 11
Wind: 6 mph
2 PM
Cloudy Weather
97°
Feels Like 111°
14
Humidity: 45%
UV Index: 10
Wind: 6 mph
3 PM
Cloudy Weather
99°
Feels Like 111°
14
Humidity: 43%
UV Index: 7
Wind: 6 mph
4 PM
Cloudy Weather
97°
Feels Like 108°
18
Humidity: 44%
UV Index: 4
Wind: 6 mph
5 PM
Cloudy Weather
97°
Feels Like 106°
47
Humidity: 47%
UV Index: 3
Wind: 6 mph
6 PM
Sunny with a Chance of Thunderstorms
93°
Feels Like 99°
51
Humidity: 53%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
91°
Feels Like 99°
47
Humidity: 57%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Night
90°
Feels Like 99°
1
Humidity: 63%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
86°
Feels Like 97°
1
Humidity: 71%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
84°
Feels Like 93°
1
Humidity: 79%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
82°
Feels Like 93°
1
Humidity: 82%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
11 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.012 ppm
  • NO2: 2.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
13 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.37 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.2 ppb
  • SO2: 1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 2.72 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 2.47 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.02 µg/m³
  • PM10: 2.68 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.31 µg/m³
  • PM10: 3 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.1 µg/m³
  • PM10: 2.74 µg/m³
  • O3: 0.032 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.02 µg/m³
  • PM10: 2.67 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.77 µg/m³
  • PM10: 2.64 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 2.82 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.9 µg/m³
  • PM10: 3.07 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Hattiesburg

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 12 at 4:22AM CDT until August 12 at 8:00PM CDT by NWS Jackson MS
Aug 12, 11:00 AM Aug 12, 8:00 PM
WHAT: Heat index values up to 107 expected.

WHERE: Portions of southeast Arkansas, northeast Louisiana, much
of Mississippi.

WHEN: From 11 AM this morning to 8 PM CDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

ADDITIONAL DETAILS: The threat for dangerous heat will continue
into early next week.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.
Updated: Aug 12, 6:06 AM Source: NWS Alert