Hourly Weather | Today Monday, August 24, 2026
Active Weather Warnings
Brownsville, Texas
5 PM
Cloudy Weather
97°
Feels Like 99°
0
Humidity: 41%
UV Index: 3
Wind: 16 mph
6 PM
Cloudy Weather
93°
Feels Like 97°
0
Humidity: 46%
UV Index: 2
Wind: 16 mph
7 PM
Cloudy Weather
91°
Feels Like 93°
0
Humidity: 52%
UV Index: 0
Wind: 15 mph
8 PM
Cloudy Night
88°
Feels Like 91°
0
Humidity: 60%
UV Index: 0
Wind: 13 mph
9 PM
Cloudy Night
86°
Feels Like 90°
0
Humidity: 68%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
84°
Feels Like 90°
0
Humidity: 73%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
84°
Feels Like 90°
0
Humidity: 75%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 2.77 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.98 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 4.41 µg/m³
  • O3: 0.019 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 4.67 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 4.62 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Brownsville

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued August 24 at 4:25AM CDT by NWS Brownsville TX
Aug 24, 4:25 AM Aug 24, 7:00 PM
The combination of hot temperatures and humidity levels will
produce heat index values between 105 and 110 degrees for several
hours this afternoon into this evening. A few locations may
briefly experience heat index values at or above 111 degrees.

If spending time outside, drink plenty of water, wear light
weight and light colored clothing, and take frequent breaks from
the heat. Young children and pets should never be left unattended
in vehicles.
Updated: Aug 24, 2:59 PM Source: NWS Alert