BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
3:53 PM CDT AUG 11, 2026
Few Clouds 95°F
Feels Like:	107°F
Dewpoint:	75°F
Rel. Hum.:	53%
Visibility:	10 miles
Wind:	SE at 21 mph, gusts to 28
Pressure:	29.99 inches
Last 72 hours
Local Area Snow Depth
Texas Current Weather
Texas MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

78521 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Sunny. Near steady temperature in the upper 90s. Southeast winds around 15 mph with gusts up to 25 mph. Heat index values up to 109.

TONIGHT
Mostly clear. Humid with lows around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening.

WEDNESDAY
Sunny. Highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 108.

WEDNESDAY NIGHT
Mostly clear. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph.

THURSDAY
Sunny with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 111.

THURSDAY NIGHT
Mostly clear. Lows in the lower 80s. Heat index values up to 105 early in the evening.

FRIDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 110.

FRIDAY NIGHT
Partly cloudy. Lows around 80.

SATURDAY
Mostly sunny. Highs in the upper 90s. Heat index values up to 105.

SATURDAY NIGHT
Mostly clear. Lows in the upper 70s.

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.

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 AM CDT 8/11/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
11 AUG 2026

1 PM

94°

105°

Partly Cloudy

3%

0% Thunder
( 19% severe)

SSE 16

53%

74°

High 95°

4 PM

94°

106°

Partly Cloudy

SE 17

54%

75°

Partly Cloudy

7 PM

89°

99°

Partly Cloudy

0%

0% Thunder
( 2% severe)

SE 16

64%

75°

10 PM

84°

94°

Partly Cloudy

SE 12

80%

77°

Wednesday
12 AUG 2026

1 AM

83°

92°

Clear

1%

0% Thunder
( 4% severe)

SSE 10

82%

77°

Low 82°

4 AM

82°

90°

Partly Cloudy

SSE 10

85%

77°

High 98°

7 AM

82°

90°

Partly Cloudy

1%

0% Thunder
( 9% severe)

SSE 10

85%

77°

Partly Cloudy

Breezy

10 AM

89°

101°

Partly Cloudy

S 16

66%

76°

1 PM

95°

106°

Clear

0%

0% Thunder
( 11% severe)

SSE 21

51%

74°

4 PM

95°

105°

Clear

SSE 22

49%

73°

7 PM

89°

99°

Clear

0%

0% Thunder
( 2% severe)

SSE 20

64%

75°

10 PM

84°

94°

Partly Cloudy

SE 16

80%

77°

Thursday
13 AUG 2026

1 AM

84°

94°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 9% severe)

SSE 13

80%

77°

Low 82°

4 AM

83°

92°

Clear

SSE 13

82%

77°

High 98°

7 AM

82°

90°

Clear

1%

0% Thunder
( 11% severe)

SSE 13

85%

77°

Partly Cloudy

Breezy

10 AM

89°

101°

Partly Cloudy

SSE 17

66%

76°

1 PM

94°

106°

Partly Cloudy

2%

0% Thunder
( 17% severe)

SSE 21

54%

75°

4 PM

94°

106°

Clear

SE 22

54%

75°

7 PM

89°

101°

Clear

SE 20

66%

76°


BROWNSVILLE, TX extended weather forecast
Friday 14 AUG 2026	Saturday 15 AUG 2026	Sunday 16 AUG 2026	Monday 17 AUG 2026	Tuesday 18 AUG 2026
Low 81°	Low 80°	Low 79°	Low 78°	Low 79°
High 96°	High 96°	High 96°	High 95°	High 96°

Partly Cloudy 26% Rain	Partly Cloudy 29% Rain	Partly Cloudy 24% Rain	Partly Cloudy 22% Rain	Partly Cloudy 27% Rain

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