BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
7:53 PM CDT AUG 12, 2026
Scattered Clouds 88°F
Feels Like:	98°F
Dewpoint:	75°F
Rel. Hum.:	66%
Visibility:	10 miles
Wind:	SSE at 18 mph
Pressure:	29.87 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, hot. Near steady temperature in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 111.

TONIGHT
Mostly clear. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 106 early in the evening.

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. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 106 early in the evening.

FRIDAY
Sunny with highs in the upper 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 110.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 80. Heat index values up to 105 early.

SATURDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

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.

MONDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.

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

TUESDAY
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 8/12/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
12 AUG 2026

1 PM

95°

106°

Clear

0%

0% Thunder
( 8% severe)

SSE 20

51%

74°

High 96°

4 PM

95°

105°

Clear

SSE 21

49%

73°

Clear

Breezy

7 PM

89°

98°

Clear

0%

0% Thunder
( 4% severe)

SSE 20

61%

74°

10 PM

84°

94°

Clear

SSE 15

80%

77°

Thursday
13 AUG 2026

1 AM

84°

94°

Clear

1%

0% Thunder
( 8% severe)

SSE 13

80%

77°

Low 82°

4 AM

83°

92°

Clear

SSE 12

82%

77°

High 98°

7 AM

82°

90°

Clear

0%

0% Thunder
( 9% severe)

SSE 13

85%

77°

Partly Cloudy

Breezy

10 AM

89°

101°

Partly Cloudy

SSE 17

66%

76°

1 PM

94°

105°

Clear

1%

0% Thunder
( 16% severe)

SSE 20

53%

74°

4 PM

94°

106°

Partly Cloudy

SE 21

54%

75°

7 PM

89°

101°

Clear

0%

0% Thunder
( 5% severe)

SE 20

66%

76°

10 PM

85°

96°

Partly Cloudy

SE 16

77%

77°

Friday
14 AUG 2026

1 AM

84°

94°

Partly Cloudy

7%

0% Thunder
( 9% severe)

SSE 12

80%

77°

Low 82°

4 AM

83°

92°

Partly Cloudy

SSE 10

82%

77°

High 98°

7 AM

82°

90°

Clear

8%

0% Thunder
( 20% severe)

SSE 10

85%

77°

Partly Cloudy

10 AM

89°

102°

Partly Cloudy

SSE 15

68%

77°

1 PM

93°

105°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 25% severe)

SSE 18

56%

75°

4 PM

94°

106°

Partly Cloudy

SE 20

54%

75°

7 PM

89°

101°

Clear

SE 17

66%

76°


BROWNSVILLE, TX extended weather forecast
Saturday 15 AUG 2026	Sunday 16 AUG 2026	Monday 17 AUG 2026	Tuesday 18 AUG 2026	Wednesday 19 AUG 2026
Low 79°	Low 79°	Low 79°	Low 79°	Low 79°
High 95°	High 97°	High 96°	High 96°	High 98°

Partly Cloudy 38% Rain	Partly Cloudy 24% Rain	Partly Cloudy 22% Rain	Partly Cloudy 23% Rain	Partly Cloudy 22% Rain

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