BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

12:53 AM CDT SEP 11, 2026
Clear
84°F
Feels Like: 94°F
Dewpoint: 77°F
Rel. Hum.: 80%
Visibility: 10 miles
Wind: SSE at 12 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

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BROWNSVILLE, TX 78521
Weather Forecast

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REST OF TONIGHT
Mostly clear. Near steady temperature in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph.
FRIDAY
Sunny, hot with highs around 101. South winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 115.
FRIDAY NIGHT
Mostly clear. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 109 early in the evening.
SATURDAY
Sunny, hot with highs around 100. Southeast winds 15 to 20 mph with gusts up to 35 mph. Heat index values up to 116.
SATURDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 110 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. 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
Mostly clear. Lows in the upper 70s.
WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 70s.

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  9/10/2026
Friday
11 SEP 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 0 hours 1 AM 84° 94° Partly Cloudy 1%

0% Thunder
( 4% severe)
SSE   13 80% 77°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 1, 3 hours 4 AM 82° 90° Clear S   12 85% 77°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 1, 6 hours 7 AM 82° 90° Partly Cloudy 2%

0% Thunder
( 8% severe)
S   12 85% 77°

Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 1, 9 hours 10 AM 90° 103° Partly Cloudy S   16 66% 77°
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 95° 107° Partly Cloudy 2%

0% Thunder
( 20% severe)
S   20 53% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 95° 107° Clear SSE   21 53% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 88° 99° Clear 1%

0% Thunder
( 5% severe)
SSE   21 68% 76°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 85° 96° Partly Cloudy SSE   18 77% 77°
Saturday
12 SEP 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 84° 94° Partly Cloudy 1%

0% Thunder
( 5% severe)
SSE   14 80% 77°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 83° 92° Clear S   12 82% 77°
High 99° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 82° 90° Partly Cloudy 2%

0% Thunder
( 14% severe)
SSE   13 85% 77°

Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 90° 103° Partly Cloudy SSE   18 66% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 95° 107° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 27% severe)
SSE   22 53% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 95° 108° Clear SSE   21 54% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 89° 102° Clear 0%

0% Thunder
( 6% severe)
SE   18 68% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 85° 97° Partly Cloudy SE   14 80% 78°

BROWNSVILLE, TX extended weather forecast

Sunday
13 SEP 2026
Monday
14 SEP 2026
Tuesday
15 SEP 2026
Wednesday
16 SEP 2026
Thursday
17 SEP 2026
Low 81° Low 81° Low 79° Low 78° Low 77°
High 97° High 96° High 96° High 94° High 94°
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
Partly Cloudy
22% Rain
Partly Cloudy
33% Rain
Partly Cloudy
24% Rain
Partly Cloudy
40% Rain
Partly Cloudy
40% Rain
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