BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

6:53 PM CDT AUG 9, 2026
Few Clouds
91°F
Feels Like: 102°F
Dewpoint: 75°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: ESE at 14 mph
Pressure: 29.94 inches
Last 72 hours

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BROWNSVILLE, TX 78521
Weather Forecast

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THIS AFTERNOON
Mostly sunny with a chance of showers and thunderstorms. Near steady temperature in the lower 90s. East winds 10 to 15 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 107.
TONIGHT
Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Chance of rain 20 percent.
MONDAY
Mostly sunny. Humid with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 109.
MONDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening.
TUESDAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 111.
TUESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
WEDNESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
WEDNESDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 105 early in the evening.
THURSDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
THURSDAY NIGHT
Clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 105 early in the evening.
FRIDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows around 80. Heat index values up to 105 early in the evening.
SATURDAY
Mostly sunny. Highs in the mid 90s. Heat index values up to 105.

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/ 9/2026
Sunday
9 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 91° 101° Mostly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 39% severe)
ESE   9 58% 74°
High 92° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 91° 102° Partly Cloudy ESE   13 60% 75°
Decreasing Clouds



BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 87° 97° Partly Cloudy 1%

0% Thunder
( 4% severe)
ESE   12 68% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 84° 93° Clear SE   7 77% 76°
Monday
10 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 82° 89° Clear 5%

0% Thunder
( 13% severe)
SSE   7 82% 76°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 82° 89° Partly Cloudy S   7 82% 76°
High 97° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 81° 87° Partly Cloudy 8%

0% Thunder
( 13% severe)
SSE   6 85% 76°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 88° 99° Partly Cloudy SSE   10 68% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 93° 103° Partly Cloudy 4%

0% Thunder
( 16% severe)
SSE   15 54% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 94° 105° Partly Cloudy SSE   18 53% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 89° 99° Partly Cloudy 0%

0% Thunder
( 3% severe)
SE   16 64% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 84° 94° Partly Cloudy SE   12 80% 77°
Tuesday
11 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 83° 92° Clear 1%

0% Thunder
( 7% severe)
SSE   10 82% 77°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 82° 90° Partly Cloudy SSE   8 85% 77°
High 98° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 81° 88° Partly Cloudy 1%

0% Thunder
( 16% severe)
SSE   8 88% 77°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 88° 100° Clear SSE   12 70% 77°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 94° 106° Partly Cloudy 1%

0% Thunder
( 18% severe)
SE   16 54% 75°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 94° 106° Clear SE   18 54% 75°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 89° 101° Clear     SE   16 66% 76°

BROWNSVILLE, TX extended weather forecast

Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Sunday
16 AUG 2026
Low 80° Low 82° Low 80° Low 80° Low 78°
High 97° High 97° High 96° High 96° 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
Partly Cloudy
20% Rain
Partly Cloudy
29% Rain
Partly Cloudy
25% Rain
Partly Cloudy
21% Rain
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