BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions
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  78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

BROWNSVILLE, TX
Current Weather
11:53 PM CDT MAY 21, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 72°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: ESE at 5 mph
Pressure: 29.88 inches
Last 72 hours

Local Area Snow Depth

Texas Current Weather

Texas MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  78521 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

BROWNSVILLE, TX 78521
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy. Near steady temperature in the mid 70s. Southeast winds around 5 mph.
FRIDAY
Mostly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 20 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph.
SATURDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs around 90. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.
SUNDAY
A chance of showers and thunderstorms in the morning, then showers likely in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Highs in the upper 80s. Chance of rain 70 percent.
SUNDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 70s. Chance of rain 30 percent.
MEMORIAL DAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
MONDAY NIGHT
Partly cloudy. Lows in the mid 70s.
TUESDAY
Partly sunny. Highs in the lower 90s.
TUESDAY NIGHT
Mostly cloudy. Lows in the upper 70s.
WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 70s.

  78521 WEATHER SATELLITE LOOPS
Visible Weather Satellite
BROWNSVILLE, TX 78521
Infrared Weather Satellite
BROWNSVILLE, TX 78521
  78521 WEATHER RADAR LOOP
NEXRAD Weather Radar
BROWNSVILLE, TX 78521
 MOS COMPUTER WEATHER FORECAST

BROWNSVILLE, TX 3 hourly weather forecast
weather forecast created  7:00 PM CDT  5/21/2026
Friday
22 MAY 2026		 BROWNSVILLE, TX 78521 weather forecast Day 1, 0 hours 1 AM 79° 82° Mostly Cloudy 3%

 0% Thunder
( 7% severe)		 SSE   5 82% 73°
Low 77° BROWNSVILLE, TX 78521 weather forecast Day 1, 3 hours 4 AM 78° 80° Mostly Cloudy SE   7 88% 74°
High 93° BROWNSVILLE, TX 78521 weather forecast Day 1, 6 hours 7 AM 78° 80° Partly Cloudy 6%

 0% Thunder
( 15% severe)		 SE   7 88% 74°

Partly Cloudy



 BROWNSVILLE, TX 78521 weather forecast Day 1, 9 hours 10 AM 85° 93° Partly Cloudy SSE   12 72% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 12 hours 1 PM 89° 98° Partly Cloudy 8%

 0% Thunder
( 25% severe)		 SSE   16 61% 74°
BROWNSVILLE, TX 78521 weather forecast Day 1, 15 hours 4 PM 90° 100° Partly Cloudy SSE   16 60% 74°
BROWNSVILLE, TX 78521 weather forecast Day 1, 18 hours 7 PM 84° 92° Partly Cloudy 8%

 0% Thunder
( 17% severe)		 SE   14 74% 75°
BROWNSVILLE, TX 78521 weather forecast Day 1, 21 hours 10 PM 81° 87° Mostly Cloudy SE   10 85% 76°
Saturday
23 MAY 2026		 BROWNSVILLE, TX 78521 weather forecast Day 2, 0 hours 1 AM 81° 87° Mostly Cloudy 22%
RAIN
.1–.25 in		 0% Thunder
( 16% severe)		 SE   9 85% 76°
Low 79° BROWNSVILLE, TX 78521 weather forecast Day 2, 3 hours 4 AM 80° 85° Mostly Cloudy SSE   8 88% 76°
High 93° BROWNSVILLE, TX 78521 weather forecast Day 2, 6 hours 7 AM 80° 85° Mostly Cloudy 20%
RAIN
.1–.25 in		 0% Thunder
( 18% severe)		 SE   7 88% 76°

Mostly Cloudy

Chance of Rain

 BROWNSVILLE, TX 78521 weather forecast Day 2, 9 hours 10 AM 84° 93° Mostly Cloudy SE   10 77% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 12 hours 1 PM 86° 95° Mostly Cloudy 38%
RAIN
***		 0% Thunder
( 38% severe)		 SSE   13 70% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 15 hours 4 PM 87° 97° Mostly Cloudy SE   14 68% 75°
BROWNSVILLE, TX 78521 weather forecast Day 2, 18 hours 7 PM 83° 91° Mostly Cloudy 46%
RAIN
***		 0% Thunder
( 42% severe)		 ESE   12 80% 76°
BROWNSVILLE, TX 78521 weather forecast Day 2, 21 hours 10 PM 81° 87° Mostly Cloudy ESE   7 85% 76°

BROWNSVILLE, TX extended weather forecast
Sunday
24 MAY 2026		 Monday
25 MAY 2026		 Tuesday
26 MAY 2026		 Wednesday
27 MAY 2026		 Thursday
28 MAY 2026
Low 75° Low 75° Low 76° Low 78° Low 77°
High 91° High 92° High 92° High 91° 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
Mostly Cloudy
58% Rain		 Partly Cloudy
28% Rain		 Partly Cloudy
21% Rain		 Overcast
36% Rain		 Mostly Cloudy
21% Rain
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