BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

3:53 PM CDT AUG 14, 2026
Scattered Clouds
97°F
Feels Like: 110°F
Dewpoint: 75°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: SSE at 22 mph, gusts to 30
Pressure: 30.01 inches
Last 72 hours

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BROWNSVILLE, TX 78521
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny with a slight chance of showers and thunderstorms. Hot. Near steady temperature in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 112.
TONIGHT
Partly cloudy in the evening, then clearing. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 107 early in the evening.
SATURDAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110.
SATURDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Heat index values up to 106 early in the evening.
SUNDAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 111.
SUNDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
MONDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
MONDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
TUESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
TUESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
THURSDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

Visible Weather Satellite
BROWNSVILLE, TX 78521
Infrared Weather Satellite
BROWNSVILLE, TX 78521
NEXRAD Weather Radar
BROWNSVILLE, TX 78521

BROWNSVILLE, TX 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/14/2026
Friday
14 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 94° 105° Partly Cloudy 3%

0% Thunder
( 21% severe)
SSE   18 53% 74°
High 95° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 94° 106° Partly Cloudy SE   20 54% 75°
Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 89° 101° Partly Cloudy 1%

0% Thunder
( 2% severe)
SE   18 66% 76°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 86° 98° Partly Cloudy SE   15 77% 78°
Saturday
15 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 84° 95° Clear 9%

0% Thunder
( 4% severe)
SSE   12 82% 78°
Low 82° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 83° 93° Partly Cloudy SSE   10 85% 78°
High 98° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 82° 91° Partly Cloudy 6%

0% Thunder
( 13% severe)
SSE   9 88% 78°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 89° 101° Partly Cloudy SSE   12 66% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 94° 104° Clear 3%

0% Thunder
( 21% severe)
SE   15 51% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 94° 104° Clear ESE   16 51% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 88° 98° Clear 0%

0% Thunder
( 3% severe)
ESE   15 66% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 84° 94° Partly Cloudy ESE   10 80% 77°
Sunday
16 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 83° 93° Clear 1%

0% Thunder
( 6% severe)
SE   7 85% 78°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 82° 91° Clear SSE   6 88% 78°
High 98° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 81° 88° Clear 6%

0% Thunder
( 18% severe)
SE   3 88% 77°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 88° 99° Partly Cloudy SE   7 68% 76°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 94° 105° Partly Cloudy 8%

0% Thunder
( 22% severe)
ESE   13 53% 74°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 94° 105° Partly Cloudy ESE   15 53% 74°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 88° 98° Clear     ESE   14 66% 75°

BROWNSVILLE, TX extended weather forecast

Monday
17 AUG 2026
Tuesday
18 AUG 2026
Wednesday
19 AUG 2026
Thursday
20 AUG 2026
Friday
21 AUG 2026
Low 79° Low 78° Low 80° Low 80° Low 80°
High 97° High 97° High 98° High 98° High 97°
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
23% Rain
Clear
19% Rain
Clear
11% Rain
Clear
11% Rain
Partly Cloudy
23% Rain
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