BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

6:53 PM CDT AUG 20, 2026
Clear
91°F
Feels Like: 100°F
Dewpoint: 73°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: SSE at 21 mph, gusts to 29
Pressure: 29.95 inches
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BROWNSVILLE, TX 78521
Weather Forecast

Snowfall Forecast pages
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TONIGHT
Mostly clear this evening, then becoming partly cloudy. Lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. Heat index values up to 109 early this evening.
FRIDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 112.
FRIDAY NIGHT
Partly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening.
SATURDAY
Mostly sunny. Hot with highs around 100. Southeast winds 10 to 15 mph. Heat index values up to 110.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming 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. Highs in the upper 90s. Heat index values up to 110.
SUNDAY NIGHT
Mostly clear. Lows in the upper 70s.
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
Mostly 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.

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  8/20/2026
Thursday
20 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 95° 106° Partly Cloudy 1%

0% Thunder
( 12% severe)
SSE   18 51% 74°
High 96° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 95° 106° Clear SSE   20 51% 74°
Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 90° 101° Clear 0%

0% Thunder
( 2% severe)
SSE   16 62% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 85° 96° Partly Cloudy SSE   12 77% 77°
Friday
21 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 84° 95° Partly Cloudy 0%

0% Thunder
( 4% severe)
SSE   10 82% 78°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 83° 93° Partly Cloudy SSE   9 85% 78°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 82° 91° Partly Cloudy 1%

0% Thunder
( 10% severe)
SSE   8 88% 78°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 90° 103° Partly Cloudy SSE   12 66% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 96° 107° Partly Cloudy 1%

0% Thunder
( 11% severe)
SSE   15 49% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 96° 106° Partly Cloudy SSE   16 48% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 90° 100° Partly Cloudy 0%

0% Thunder
( 3% severe)
SSE   14 60% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 84° 94° Partly Cloudy SSE   10 80% 77°
Saturday
22 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 82° 90° Partly Cloudy 0%

0% Thunder
( 6% severe)
SSE   8 85% 77°
Low 79° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 81° 88° Mostly Cloudy SSE   7 88% 77°
High 101° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 80° 86° Partly Cloudy 1%

0% Thunder
( 12% severe)
S   7 91% 77°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 89° 101° Partly Cloudy S   9 66% 76°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 97° 105° Partly Cloudy 1%

0% Thunder
( 16% severe)
SSE   12 43% 71°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 96° 104° Partly Cloudy SE   15 45% 71°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 90° 99° Partly Cloudy     SE   14 58% 73°

BROWNSVILLE, TX extended weather forecast

Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Thursday
27 AUG 2026
Low 76° Low 78° Low 78° Low 78° Low 78°
High 96° High 97° High 96° High 97° High 96°
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
Clear
15% Rain
Clear
19% Rain
Clear
19% Rain
Clear
16% Rain
Clear
15% Rain
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