BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

1:53 AM CDT AUG 31, 2026
Clear
84°F
Feels Like: 94°F
Dewpoint: 77°F
Rel. Hum.: 80%
Visibility: 10 miles
Wind: S at 8 mph
Pressure: 29.95 inches
Last 72 hours

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BROWNSVILLE, TX 78521
Weather Forecast

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REST OF TONIGHT
Clear. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
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 111.
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 106 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
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 107 early in the evening.
WEDNESDAY
Sunny, hot with highs around 100. Heat index values up to 115.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
THURSDAY
Sunny, hot with highs around 100. Heat index values up to 115.
THURSDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
FRIDAY
Sunny. Highs in the upper 90s. 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.
SATURDAY 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 PM CDT  8/30/2026
Monday
31 AUG 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 0 hours 1 AM 83° 92° Clear 2%

0% Thunder
( 8% severe)
SSE   8 82% 77°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 1, 3 hours 4 AM 82° 90° Clear SSE   7 85% 77°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 1, 6 hours 7 AM 81° 87° Partly Cloudy 1%

0% Thunder
( 9% severe)
SSE   6 85% 76°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 1, 9 hours 10 AM 89° 101° Partly Cloudy SSE   10 66% 76°
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 96° 106° Partly Cloudy 3%

0% Thunder
( 17% severe)
SSE   13 48% 73°
BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 95° 105° Partly Cloudy SE   16 49% 73°
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 89° 99° Clear 0%

0% Thunder
( 3% severe)
ESE   15 64% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 85° 95° Clear SE   10 75% 76°
Tuesday
1 SEP 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 83° 91° Clear 1%

0% Thunder
( 6% severe)
SSE   8 80% 76°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 81° 87° Clear S   7 85% 76°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 80° 85° Partly Cloudy 1%

0% Thunder
( 8% severe)
S   6 88% 76°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 89° 101° Partly Cloudy SSE   9 66% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 96° 106° Partly Cloudy 2%

0% Thunder
( 13% severe)
SSE   13 48% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 95° 105° Clear SE   16 49% 73°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 89° 98° Partly Cloudy 0%

0% Thunder
( 4% severe)
SE   15 61% 74°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 85° 95° Clear SE   10 75% 76°

BROWNSVILLE, TX extended weather forecast

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Low 79° Low 79° Low 80° Low 79° Low 79°
High 96° High 97° High 97° High 97° High 97°
BROWNSVILLE, TX 78521 weather forecast Day 3 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
Clear
17% Rain
Partly Cloudy
21% Rain
Partly Cloudy
25% Rain
Partly Cloudy
25% Rain
Partly Cloudy
19% Rain
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