BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions
Enter ZIP code or City, State   
    


  78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

BROWNSVILLE, TX
Current Weather
1:53 PM CDT SEP 30, 2026
Broken Clouds
97°F
Feels Like: 110°F
Dewpoint: 75°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: SSE at 18 mph, gusts to 25
Pressure: 29.76 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  78521 WEATHER FORECAST
10-Day model forecast maps
2026 Hurricanes

BROWNSVILLE, TX 78521
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Near steady temperature in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 113.
TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 107 early.
THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. Heat index values up to 113.
THURSDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers after midnight. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent. Heat index values up to 106 early in the evening.
FRIDAY
Partly sunny. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds 5 to 10 mph. Chance of rain 90 percent. Heat index values up to 106.
FRIDAY NIGHT
Mostly cloudy in the evening. A chance of showers in the evening, then showers after midnight. Lows in the mid 70s. Chance of rain 90 percent.
SATURDAY
Showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 90 percent.
SATURDAY NIGHT
A chance of thunderstorms. Showers. Lows in the mid 70s. Chance of rain 90 percent.
SUNDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 90 percent.
SUNDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then showers after midnight. Lows in the mid 70s. Chance of rain 90 percent.
MONDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 90 percent.
MONDAY NIGHT
Showers likely. Lows in the mid 70s. Chance of rain 70 percent.
TUESDAY
Showers likely. Highs in the upper 80s. Chance of rain 70 percent.

  78521 WEATHER SATELLITE LOOPS
Visible Weather Satellite
BROWNSVILLE, TX 78521
Infrared Weather Satellite
BROWNSVILLE, TX 78521
  78521 WEATHER RADAR LOOP
NEXRAD Weather Radar
BROWNSVILLE, TX 78521
 MOS COMPUTER WEATHER FORECAST

BROWNSVILLE, TX 3 hourly weather forecast
weather forecast created  7:00 AM CDT  9/30/2026
Wednesday
30 SEP 2026		 BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 95° 108° Partly Cloudy 4%

 0% Thunder
( 23% severe)		 SSE   20 54% 76°
High 96° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 95° 110° Partly Cloudy SSE   20 56% 77°
Partly Cloudy




Breezy		 BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 88° 101° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 13% severe)		 SE   18 72% 78°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 86° 98° Partly Cloudy SE   17 77% 78°
Thursday
1 OCT 2026		 BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 85° 97° Partly Cloudy 16%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 SE   14 80% 78°
Low 82° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 84° 95° Mostly Cloudy SSE   12 82% 78°
High 99° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 83° 93° Partly Cloudy 11%
RAIN
<.01 in		 0% Thunder
( 21% severe)		 SSE   12 85% 78°

Mostly Cloudy




Breezy		 BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 90° 105° Mostly Cloudy S   16 68% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 95° 108° Mostly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 34% severe)		 SSE   18 54% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 94° 109° Mostly Cloudy SE   20 58% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 88° 101° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 SE   16 72% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 86° 98° Mostly Cloudy SE   12 77% 78°
Friday
2 OCT 2026		 BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 84° 94° Partly Cloudy 45%
RAIN
***		 0% Thunder
( 19% severe)		 SE   9 80% 77°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 82° 90° Mostly Cloudy SE   7 85% 77°
High 97° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 81° 88° Mostly Cloudy 30%
RAIN
.25–.5 in		 0% Thunder
( 17% severe)		 SE   5 88% 77°

Mostly Cloudy

Rain Likely

 BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 87° 99° Mostly Cloudy SE   6 72% 77°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 92° 103° Mostly Cloudy 64%
RAIN
***		 0% Thunder
( 28% severe)		 ESE   8 58% 75°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 91° 102° Mostly Cloudy E   10 60% 75°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 86° 96° Mostly Cloudy     E   8 72% 76°

BROWNSVILLE, TX extended weather forecast
Saturday
3 OCT 2026		 Sunday
4 OCT 2026		 Monday
5 OCT 2026		 Tuesday
6 OCT 2026		 Wednesday
7 OCT 2026
Low 75° Low 72° Low 72° Low 72° Low 73°
High 90° High 86° High 88° High 88° High 91°
BROWNSVILLE, TX 78521 weather forecast Day 4 BROWNSVILLE, TX 78521 weather forecast Day 5 BROWNSVILLE, TX 78521 weather forecast Day 6 BROWNSVILLE, TX 78521 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
70% Rain		 Mostly Cloudy
77% Rain		 Overcast
73% Rain		 Overcast
64% Rain		 Partly Cloudy
33% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP: 		Brownsville, TX
Brownsville, TX snow
Brownsville, TX radar
TX map 		-or-
-or-
-or-
  		78521
78521 snow
78521 radar
  		-or-
-or-
 
  		TX
TX snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions