BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions
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  78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

BROWNSVILLE, TX
Current Weather
6:53 PM CDT SEP 29, 2026
Clear
88°F
Feels Like: 103°F
Dewpoint: 79°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: ESE at 16 mph, gusts to 24
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
Partly sunny. Near steady temperature in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111.
TONIGHT
Partly cloudy. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening.
WEDNESDAY
Mostly sunny. Humid with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 113.
WEDNESDAY NIGHT
Partly cloudy. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 108 early in the evening.
THURSDAY
Mostly 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
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 90s. Chance of rain 70 percent. Heat index values up to 105.
FRIDAY NIGHT
A chance of showers in the evening, then showers likely after midnight. Lows in the mid 70s. Chance of rain 70 percent.
SATURDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 90 percent.
SATURDAY NIGHT
A chance of showers in the evening, then showers likely after midnight. Lows in the mid 70s. Chance of rain 70 percent.
SUNDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 80 percent.
SUNDAY NIGHT
Showers likely. Lows in the mid 70s. Chance of rain 70 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 80 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  9/29/2026
Tuesday
29 SEP 2026		 BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 93° 105° Mostly Cloudy 11%
RAIN
.1–.25 in		 0% Thunder
( 30% severe)		 SE   16 56% 75°
High 94° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 93° 106° Mostly Cloudy SE   17 58% 76°
Mostly Cloudy




Breezy		 BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 87° 99° Partly Cloudy 6%

 0% Thunder
( 14% severe)		 SE   16 72% 77°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 85° 97° Partly Cloudy SE   15 80% 78°
Wednesday
30 SEP 2026		 BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 84° 94° Partly Cloudy 5%

 0% Thunder
( 15% severe)		 SSE   13 80% 77°
Low 82° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 83° 92° Mostly Cloudy SSE   13 82% 77°
High 99° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 83° 92° Partly Cloudy 3%

 0% Thunder
( 11% severe)		 SSE   13 82% 77°

Mostly Cloudy




Breezy		 BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 90° 105° Mostly Cloudy SSE   18 68% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 95° 108° Mostly Cloudy 7%

 0% Thunder
( 18% severe)		 SSE   21 54% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 95° 110° Mostly Cloudy SE   22 56% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 88° 101° Partly Cloudy 7%

 0% Thunder
( 12% severe)		 SE   20 72% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 86° 100° Partly Cloudy SE   20 80% 79°
Thursday
1 OCT 2026		 BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 85° 97° Partly Cloudy 7%

 0% Thunder
( 18% severe)		 SE   16 80% 78°
Low 82° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 84° 95° Partly Cloudy SSE   14 82% 78°
High 99° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 83° 93° Partly Cloudy 7%

 0% Thunder
( 18% severe)		 SSE   15 85% 78°

Mostly Cloudy

Chance of Rain


Breezy		 BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 90° 105° Mostly Cloudy SSE   20 68% 78°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 95° 108° Mostly Cloudy 23%
RAIN
.1–.25 in		 0% Thunder
( 33% severe)		 SSE   21 54% 76°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 94° 109° Partly Cloudy SE   21 58% 77°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 88° 101° Partly Cloudy     SE   18 72% 78°

BROWNSVILLE, TX extended weather forecast
Friday
2 OCT 2026		 Saturday
3 OCT 2026		 Sunday
4 OCT 2026		 Monday
5 OCT 2026		 Tuesday
6 OCT 2026
Low 76° Low 73° Low 74° Low 72° Low 71°
High 88° High 91° High 90° High 86° High 86°
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
Overcast
73% Rain		 Mostly Cloudy
49% Rain		 Mostly Cloudy
65% Rain		 Overcast
67% Rain		 Overcast
51% Rain
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