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 AM CDT SEP 6, 2026
Clear 81°F
Feels Like:	87°F
Dewpoint:	75°F
Rel. Hum.:	82%
Visibility:	10 miles
Wind:	SSE at 5 mph
Pressure:	29.87 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 2026 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Partly cloudy. Near steady temperature in the lower 80s. Southeast winds around 5 mph.

SUNDAY
Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 90s. Southeast winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 113.

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. Heat index values up to 106 early in the evening.

LABOR DAY
Sunny with highs in the upper 90s. Southeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Heat index values up to 113.

MONDAY NIGHT
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. Heat index values up to 108 early in the evening.

TUESDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

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

WEDNESDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 70s.

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

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

FRIDAY
Sunny. Highs in the upper 90s. Heat index values up to 115.

FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.

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 9/ 5/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
6 SEP 2026

1 AM

83°

93°

Partly Cloudy

7%

0% Thunder
( 10% severe)

SSE 6

85%

78°

Low 80°

4 AM

82°

91°

Partly Cloudy

S 6

88%

78°

High 99°

7 AM

81°

88°

Partly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 16% severe)

SSE 5

88%

77°

Partly Cloudy

10 AM

89°

102°

Partly Cloudy

SSE 8

68%

77°

1 PM

95°

107°

Partly Cloudy

15%
RAIN
.5–1 in

0% Thunder
( 28% severe)

SSE 12

53%

75°

4 PM

94°

106°

Partly Cloudy

SE 15

54%

75°

7 PM

89°

101°

Partly Cloudy

1%

0% Thunder
( 4% severe)

SE 13

66%

76°

10 PM

85°

96°

Clear

SE 8

77%

77°

Monday
7 SEP 2026

1 AM

83°

92°

Clear

1%

0% Thunder
( 6% severe)

SSE 6

82%

77°

Low 80°

4 AM

82°

90°

Partly Cloudy

SSE 5

85%

77°

High 100°

7 AM

81°

88°

Partly Cloudy

8%

0% Thunder
( 15% severe)

SE 3

88%

77°

Partly Cloudy

10 AM

89°

102°

Partly Cloudy

SE 7

68%

77°

1 PM

95°

107°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 28% severe)

SE 12

53%

75°

4 PM

94°

106°

Clear

SE 15

54%

75°

7 PM

88°

99°

Partly Cloudy

0%

0% Thunder
( 6% severe)

SE 14

68%

76°

10 PM

85°

96°

Partly Cloudy

SE 8

77%

77°


BROWNSVILLE, TX extended weather forecast
Tuesday 8 SEP 2026	Wednesday 9 SEP 2026	Thursday 10 SEP 2026	Friday 11 SEP 2026	Saturday 12 SEP 2026
Low 80°	Low 80°	Low 77°	Low 79°	Low 82°
High 97°	High 94°	High 96°	High 96°	High 97°

Partly Cloudy 23% Rain	Overcast 43% Rain	Mostly Cloudy 28% Rain	Partly Cloudy 26% Rain	Partly Cloudy 24% Rain

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