BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
6:53 PM CDT AUG 7, 2026
Clear 91°F
Feels Like:	100°F
Dewpoint:	73°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	ESE at 16 mph
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 mid 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108.

TONIGHT
Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight.

SATURDAY
Mostly sunny. Humid with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Heat index values up to 106.

SATURDAY NIGHT
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. A chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. Heat index values up to 108.

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

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

WEDNESDAY NIGHT
Mostly 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.

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/ 7/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
7 AUG 2026

1 PM

93°

103°

Partly Cloudy

4%

0% Thunder
( 23% severe)

SE 13

54%

74°

High 94°

4 PM

93°

103°

Partly Cloudy

ESE 16

54%

74°

Partly Cloudy

7 PM

88°

97°

Clear

1%

0% Thunder
( 3% severe)

ESE 13

63%

74°

10 PM

84°

92°

Clear

ESE 7

74%

75°

Saturday
8 AUG 2026

1 AM

82°

89°

Clear

1%

0% Thunder
( 8% severe)

SE 2

82%

76°

Low 79°

4 AM

80°

85°

Clear

CALM

88%

76°

High 96°

7 AM

79°

83°

Partly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 18% severe)

CALM

91%

76°

Partly Cloudy

10 AM

87°

97°

Partly Cloudy

CALM

68%

75°

1 PM

91°

100°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 24% severe)

E 10

56%

73°

4 PM

92°

102°

Partly Cloudy

E 14

56%

74°

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°

89°

Partly Cloudy

4%

0% Thunder
( 14% severe)

CALM

82%

76°

Low 79°

4 AM

80°

85°

Partly Cloudy

CALM

88%

76°

High 96°

7 AM

79°

83°

Clear

29%
RAIN
.1–.25 in

0% Thunder
( 22% severe)

CALM

91%

76°

Partly Cloudy

Chance of Rain

10 AM

86°

96°

Partly Cloudy

CALM

72%

76°

1 PM

91°

101°

Partly Cloudy

25%
RAIN
.01–.1 in

0% Thunder
( 29% severe)

ESE 9

58%

74°

4 PM

92°

102°

Partly Cloudy

ESE 13

56%

74°

7 PM

87°

97°

Partly Cloudy

ESE 12

68%

75°


BROWNSVILLE, TX extended weather forecast
Monday 10 AUG 2026	Tuesday 11 AUG 2026	Wednesday 12 AUG 2026	Thursday 13 AUG 2026	Friday 14 AUG 2026
Low 81°	Low 79°	Low 81°	Low 79°	Low 79°
High 96°	High 97°	High 98°	High 98°	High 94°

Partly Cloudy 21% Rain	Partly Cloudy 22% Rain	Partly Cloudy 21% Rain	Clear 19% Rain	Partly Cloudy 33% Rain

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