BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

6:53 AM CDT SEP 14, 2026
Scattered Clouds
82°F
Feels Like: 92°F
Dewpoint: 79°F
Rel. Hum.: 91%
Visibility: 10 miles
Wind: Calm
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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BROWNSVILLE, TX 78521
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly clear with a 20 percent chance of showers. Near steady temperature in the lower 80s. Southeast winds 5 to 10 mph with gusts up to 20 mph.
MONDAY
Sunny with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 112.
MONDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 15 to 20 mph, diminishing to around 10 mph after midnight. Gusts up to 30 mph. Heat index values up to 107 early in the evening.
TUESDAY
Sunny, hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 109.
TUESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight.
WEDNESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
THURSDAY
A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 90s. Chance of rain 60 percent. Heat index values up to 110.
THURSDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 105 early in the evening.
FRIDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
FRIDAY NIGHT
Mostly clear. Lows in the mid 70s.
SATURDAY
Sunny. Highs in the mid 90s. Heat index values up to 105.
SATURDAY NIGHT
Mostly clear. Lows in the mid 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  9/13/2026
Monday
14 SEP 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 0 hours 1 AM 84° 95° Partly Cloudy 43%
RAIN
***
0% Thunder
( 15% severe)
SE   9 82% 78°
Low 80° BROWNSVILLE, TX 78521 weather forecast Day 1, 3 hours 4 AM 82° 91° Partly Cloudy SSE   8 88% 78°
High 99° BROWNSVILLE, TX 78521 weather forecast Day 1, 6 hours 7 AM 81° 88° Partly Cloudy 8%

0% Thunder
( 14% severe)
SE   8 88% 77°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 1, 9 hours 10 AM 89° 102° Partly Cloudy SSE   13 68% 77°
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 95° 107° Partly Cloudy 3%

0% Thunder
( 24% severe)
SSE   17 53% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 94° 106° Partly Cloudy SE   18 54% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 88° 99° Partly Cloudy 2%

0% Thunder
( 6% severe)
SE   16 68% 76°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 86° 97° Partly Cloudy SE   14 75% 77°
Tuesday
15 SEP 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 84° 94° Clear 1%

0% Thunder
( 7% severe)
SSE   10 80% 77°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 83° 92° Clear SSE   9 82% 77°
High 100° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 81° 88° Partly Cloudy 1%

0% Thunder
( 10% severe)
SSE   9 88% 77°

Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 90° 102° Partly Cloudy SSE   13 64% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 96° 105° Clear 0%

0% Thunder
( 16% severe)
SSE   17 46% 72°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 95° 104° Clear SE   18 48% 72°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 88° 98° Clear 0%

0% Thunder
( 7% severe)
SE   16 66% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 85° 96° Clear SE   10 77% 77°

BROWNSVILLE, TX extended weather forecast

Wednesday
16 SEP 2026
Thursday
17 SEP 2026
Friday
18 SEP 2026
Saturday
19 SEP 2026
Sunday
20 SEP 2026
Low 79° Low 78° Low 78° Low 75° Low 75°
High 95° High 94° High 94° High 94° High 93°
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
Mostly Cloudy
46% Rain
Partly Cloudy
39% Rain
Clear
18% Rain
Partly Cloudy
25% Rain
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