BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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BROWNSVILLE, TX
Current Weather

3:53 PM CDT OCT 12, 2026
Scattered Clouds
91°F
Feels Like: 105°F
Dewpoint: 77°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SE at 17 mph
Pressure: 29.90 inches
Last 72 hours

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BROWNSVILLE, TX 78521
Weather Forecast

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THIS AFTERNOON
Mostly sunny. Near steady temperature in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 109.
TONIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
TUESDAY
Mostly sunny. Humid with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 110.
TUESDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 105 early in the evening.
WEDNESDAY
Mostly sunny. Humid with highs in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 107.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 70s.
THURSDAY
Sunny. Highs around 90.
THURSDAY NIGHT
Mostly clear. Lows in the mid 70s.
FRIDAY
Sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Breezy with lows around 70. Chance of rain 50 percent.
SATURDAY
Mostly sunny with a chance of showers and thunderstorms. Breezy with highs in the lower 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
SUNDAY
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.

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 10/12/2026
Monday
12 OCT 2026
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 91° 105° Partly Cloudy 3%

0% Thunder
( 17% severe)
SE   15 64% 77°
High 92° BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 91° 103° Partly Cloudy SE   16 62% 76°
Partly Cloudy



BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 86° 98° Partly Cloudy 3%

0% Thunder
( 6% severe)
SE   13 77% 78°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 84° 96° Partly Cloudy SE   10 85% 79°
Tuesday
13 OCT 2026
BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 83° 94° Partly Cloudy 4%

0% Thunder
( 11% severe)
SSE   9 88% 79°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 82° 91° Partly Cloudy SSE   9 88% 78°
High 96° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 82° 91° Partly Cloudy 7%

0% Thunder
( 13% severe)
SSE   10 88% 78°

Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 88° 101° Partly Cloudy SSE   16 72% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 92° 106° Partly Cloudy 4%

0% Thunder
( 16% severe)
SSE   20 62% 77°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 92° 105° Partly Cloudy SSE   20 60% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 86° 98° Partly Cloudy 7%

0% Thunder
( 6% severe)
SE   15 77% 78°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 85° 97° Clear SE   14 80% 78°
Wednesday
14 OCT 2026
BROWNSVILLE, TX 78521 weather forecast Day 3, 0 hours 1 AM 84° 95° Partly Cloudy 1%

0% Thunder
( 11% severe)
SE   12 82% 78°
Low 81° BROWNSVILLE, TX 78521 weather forecast Day 3, 3 hours 4 AM 82° 90° Partly Cloudy SE   10 85% 77°
High 94° BROWNSVILLE, TX 78521 weather forecast Day 3, 6 hours 7 AM 82° 90° Clear 1%

0% Thunder
( 15% severe)
SE   12 85% 77°

Partly Cloudy




Breezy
BROWNSVILLE, TX 78521 weather forecast Day 3, 9 hours 10 AM 87° 100° Partly Cloudy SE   17 75% 78°
BROWNSVILLE, TX 78521 weather forecast Day 3, 15 hours 1 PM 90° 102° Partly Cloudy 3%

0% Thunder
( 20% severe)
SE   20 64% 76°
BROWNSVILLE, TX 78521 weather forecast Day 3, 18 hours 4 PM 90° 102° Partly Cloudy SE   20 64% 76°
BROWNSVILLE, TX 78521 weather forecast Day 3, 21 hours 7 PM 84° 93° Partly Cloudy     ESE   17 77% 76°

BROWNSVILLE, TX extended weather forecast

Thursday
15 OCT 2026
Friday
16 OCT 2026
Saturday
17 OCT 2026
Sunday
18 OCT 2026
Monday
19 OCT 2026
Low 75° Low 71° Low 67° Low 67° Low 67°
High 91° High 85° High 81° High 84° High 87°
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
Partly Cloudy
25% Rain
Partly Cloudy
52% Rain
Partly Cloudy
49% Rain
Partly Cloudy
33% Rain
Partly Cloudy
33% Rain
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