BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

6:53 PM CDT AUG 23, 2026
Clear
91°F
Feels Like: 97°F
Dewpoint: 70°F
Rel. Hum.: 50%
Visibility: 10 miles
Wind: SE at 16 mph, gusts to 23
Pressure: 29.94 inches
Last 72 hours

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BROWNSVILLE, TX 78521
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Sunny, hot. Near steady temperature in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 108.
TONIGHT
Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, becoming south around 5 mph after midnight.
MONDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 110.
MONDAY NIGHT
Mostly clear. 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, hot with highs around 100. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 111.
TUESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
WEDNESDAY
Sunny, hot with highs around 100. Heat index values up to 110.
WEDNESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
THURSDAY
Sunny, hot with highs around 100. Heat index values up to 110.
THURSDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
SATURDAY
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  8/23/2026
Sunday
23 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 96° 102° Clear 0%

0% Thunder
( 9% severe)
SE   10 42% 69°
High 97° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 96° 102° Partly Cloudy SE   14 42% 69°
Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 89° 96° Partly Cloudy 0%

0% Thunder
( 2% severe)
SE   13 57% 72°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 84° 92° Partly Cloudy SE   8 74% 75°
Monday
24 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 82° 89° Clear 8%

0% Thunder
( 7% severe)
SSE   6 79% 75°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 81° 87° Partly Cloudy SSE   6 82% 75°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 80° 85° Partly Cloudy 1%

0% Thunder
( 5% severe)
S   5 85% 75°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 88° 97° Clear S   8 63% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 95° 103° Partly Cloudy 3%

0% Thunder
( 12% severe)
SSE   12 46% 71°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 95° 103° Clear SE   15 46% 71°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 89° 97° Clear 0%

0% Thunder
( 3% severe)
SE   14 59% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 84° 92° Clear SE   10 74% 75°
Tuesday
25 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 82° 89° Clear 0%

0% Thunder
( 3% severe)
SSE   8 79% 75°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 81° 87° Clear S   8 82% 75°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 80° 85° Partly Cloudy 0%

0% Thunder
( 5% severe)
SSE   7 85% 75°

Clear



BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 89° 98° Clear SSE   9 61% 74°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 95° 104° Clear 0%

0% Thunder
( 15% severe)
SSE   13 48% 72°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 95° 104° Clear SE   16 48% 72°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 89° 98° Clear     SE   15 61% 74°

BROWNSVILLE, TX extended weather forecast

Wednesday
26 AUG 2026
Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Sunday
30 AUG 2026
Low 79° Low 79° Low 79° Low 79° Low 78°
High 97° High 98° High 96° High 96° 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
Clear
16% Rain
Clear
19% Rain
Partly Cloudy
22% Rain
Partly Cloudy
21% Rain
Partly Cloudy
25% Rain
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