BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
1:53 PM CDT MAY 19, 2026
Broken Clouds 91°F
Feels Like:	102°F
Dewpoint:	75°F
Rel. Hum.:	60%
Visibility:	10 miles
Wind:	SE at 17 mph
Pressure:	29.91 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 2025 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Partly sunny. Near steady temperature in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 109.

TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

WEDNESDAY
Partly sunny. Humid with highs in the lower 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

WEDNESDAY NIGHT
Mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 20 mph.

THURSDAY
Partly sunny in the morning, then becoming mostly cloudy. A chance of showers. Humid with highs around 90. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 90s.

FRIDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 70s. Chance of rain 50 percent.

SATURDAY
Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent.

SATURDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 70s. Chance of rain 50 percent.

SUNDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

MEMORIAL DAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

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 5/19/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
19 MAY 2026

1 PM

92°

103°

Mostly Cloudy

7%

0% Thunder
( 14% severe)

SE 20

58%

75°

High 93°

4 PM

92°

103°

Mostly Cloudy

SE 17

58%

75°

Mostly Cloudy

Breezy

7 PM

86°

97°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 23% severe)

SE 16

75%

77°

10 PM

84°

94°

Mostly Cloudy

SSE 16

80%

77°

Wednesday
20 MAY 2026

1 AM

83°

93°

Mostly Cloudy

20%
RAIN
.01–.1 in

0% Thunder
( 34% severe)

SE 13

85%

78°

Low 81°

4 AM

82°

90°

Mostly Cloudy

SE 10

85%

77°

High 94°

7 AM

81°

87°

Mostly Cloudy

20%
RAIN
.5–1 in

0% Thunder
( 16% severe)

SE 12

85%

76°

Mostly Cloudy

Chance of Rain

10 AM

85°

93°

Mostly Cloudy

SE 16

72%

75°

1 PM

90°

99°

Mostly Cloudy

6%

0% Thunder
( 11% severe)

SE 17

58%

73°

4 PM

90°

99°

Mostly Cloudy

ESE 16

58%

73°

7 PM

85°

93°

Mostly Cloudy

0%

0% Thunder
( 8% severe)

ESE 14

70%

74°

10 PM

82°

89°

Mostly Cloudy

ESE 12

82%

76°

Thursday
21 MAY 2026

1 AM

82°

90°

Mostly Cloudy

3%

0% Thunder
( 13% severe)

SE 10

85%

77°

Low 81°

4 AM

81°

88°

Mostly Cloudy

SE 9

88%

77°

High 93°

7 AM

81°

88°

Mostly Cloudy

26%
RAIN
.5–1 in

0% Thunder
( 22% severe)

SE 9

88%

77°

Mostly Cloudy

Chance of Rain

10 AM

84°

93°

Mostly Cloudy

SSE 13

77%

76°

1 PM

87°

95°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 18% severe)

SSE 17

65%

74°

4 PM

87°

95°

Mostly Cloudy

SSE 17

65%

74°

7 PM

83°

90°

Mostly Cloudy

SE 14

77%

75°


BROWNSVILLE, TX extended weather forecast
Friday 22 MAY 2026	Saturday 23 MAY 2026	Sunday 24 MAY 2026	Monday 25 MAY 2026	Tuesday 26 MAY 2026
Low 75°	Low 76°	Low 77°	Low 76°	Low 77°
High 90°	High 93°	High 91°	High 91°	High 93°

Overcast 63% Rain	Overcast 33% Rain	Overcast 52% Rain	Overcast 43% Rain	Partly Cloudy 34% Rain

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