BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
2:53 PM CDT AUG 8, 2026
Clear 97°F
Feels Like:	106°F
Dewpoint:	72°F
Rel. Hum.:	45%
Visibility:	10 miles
Wind:	ESE at 15 mph, gusts to 22
Pressure:	29.98 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
Mostly sunny. Near steady temperature in the lower 90s. East winds 10 to 15 mph with gusts up to 20 mph. Heat index values up to 107.

TONIGHT
Mostly clear. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, becoming southeast around 5 mph after midnight.

SUNDAY
Mostly sunny. Humid with highs in the mid 90s. Southeast winds around 5 mph, increasing to east 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 108.

SUNDAY NIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight.

MONDAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110.

MONDAY NIGHT
Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.

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

TUESDAY NIGHT
Clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.

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

WEDNESDAY NIGHT
Clear. Lows around 80. Heat index values up to 105 early in the evening.

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

THURSDAY NIGHT
Mostly clear. Lows in the lower 80s. Heat index values up to 110 early in the evening.

FRIDAY
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/ 8/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
8 AUG 2026

1 PM

92°

102°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 25% severe)

E 10

56%

74°

High 93°

4 PM

92°

102°

Partly Cloudy

E 14

56%

74°

Partly Cloudy

7 PM

87°

95°

Partly Cloudy

1%

0% Thunder
( 4% severe)

E 12

65%

74°

10 PM

83°

91°

Partly Cloudy

ESE 6

80%

76°

Sunday
9 AUG 2026

1 AM

82°

90°

Partly Cloudy

6%

0% Thunder
( 17% severe)

CALM

85%

77°

Low 79°

4 AM

80°

86°

Partly Cloudy

CALM

91%

77°

High 96°

7 AM

79°

83°

Partly Cloudy

16%
RAIN
.1–.25 in

0% Thunder
( 23% severe)

CALM

91%

76°

Partly Cloudy

Chance of Rain

10 AM

86°

96°

Partly Cloudy

CALM

72%

76°

1 PM

91°

102°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 24% severe)

ESE 8

60%

75°

4 PM

92°

103°

Partly Cloudy

ESE 13

58%

75°

7 PM

87°

97°

Partly Cloudy

1%

0% Thunder
( 3% severe)

ESE 12

68%

75°

10 PM

84°

93°

Partly Cloudy

SE 8

77%

76°

Monday
10 AUG 2026

1 AM

82°

89°

Partly Cloudy

1%

0% Thunder
( 12% severe)

SSE 7

82%

76°

Low 80°

4 AM

81°

87°

Partly Cloudy

S 7

85%

76°

High 98°

7 AM

80°

85°

Clear

13%
RAIN
.01–.1 in

0% Thunder
( 17% severe)

SSE 6

88%

76°

Partly Cloudy

10 AM

88°

99°

Partly Cloudy

SSE 10

68%

76°

1 PM

93°

103°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 17% severe)

SSE 15

54%

74°

4 PM

93°

103°

Partly Cloudy

SE 17

54%

74°

7 PM

89°

99°

Clear

SE 16

64%

75°


BROWNSVILLE, TX extended weather forecast
Tuesday 11 AUG 2026	Wednesday 12 AUG 2026	Thursday 13 AUG 2026	Friday 14 AUG 2026	Saturday 15 AUG 2026
Low 81°	Low 80°	Low 81°	Low 80°	Low 79°
High 97°	High 97°	High 98°	High 96°	High 95°

Clear 19% Rain	Clear 17% Rain	Clear 15% Rain	Partly Cloudy 19% Rain	Partly Cloudy 32% Rain

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