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 22, 2026
Overcast 91°F
Feels Like:	100°F
Dewpoint:	73°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	S at 16 mph
Pressure:	29.80 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
Sunny. Near steady temperature around 90. Southeast winds around 15 mph with gusts up to 25 mph.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph.

SATURDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs around 90. Southeast winds 10 to 15 mph. Chance of rain 50 percent.

SATURDAY NIGHT
Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Chance of rain 70 percent.

SUNDAY
Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Some thunderstorms may produce heavy rainfall. Humid with highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 70 percent.

SUNDAY NIGHT
Partly cloudy. Lows in the mid 70s.

MEMORIAL DAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

MONDAY NIGHT
Partly cloudy. Lows in the mid 70s.

TUESDAY
Partly sunny. Highs around 90.

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

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

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

THURSDAY
Partly sunny. Highs in the lower 90s. Heat index values up to 105.

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 5/22/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
22 MAY 2026

1 PM

89°

98°

Partly Cloudy

9%

0% Thunder
( 17% severe)

SSE 16

61%

74°

High 90°

4 PM

89°

98°

Clear

SSE 16

61%

74°

Partly Cloudy

7 PM

85°

93°

Partly Cloudy

4%

0% Thunder
( 12% severe)

SE 14

72%

75°

10 PM

82°

89°

Partly Cloudy

SSE 9

82%

76°

Saturday
23 MAY 2026

1 AM

81°

88°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 14% severe)

SSE 9

88%

77°

Low 80°

4 AM

80°

85°

Mostly Cloudy

SE 8

88%

76°

High 92°

7 AM

80°

85°

Mostly Cloudy

18%
RAIN
.1–.25 in

0% Thunder
( 32% severe)

SSE 8

88%

76°

Mostly Cloudy

Chance of Rain

10 AM

83°

91°

Mostly Cloudy

SE 12

80%

76°

1 PM

86°

95°

Partly Cloudy

48%
RAIN
1–2 in

0% Thunder
( 42% severe)

SSE 14

70%

75°

4 PM

87°

95°

Mostly Cloudy

SSE 13

65%

74°

7 PM

83°

90°

Mostly Cloudy

36%
RAIN
***

0% Thunder
( 39% severe)

SE 12

77%

75°

10 PM

81°

87°

Mostly Cloudy

E 8

82%

75°

Sunday
24 MAY 2026

1 AM

80°

85°

Mostly Cloudy

42%
RAIN
***

0% Thunder
( 27% severe)

SE 6

88%

76°

Low 77°

4 AM

78°

80°

Mostly Cloudy

S 6

88%

74°

High 91°

7 AM

77°

78°

Mostly Cloudy

49%
RAIN
1–2 in

0% Thunder
( 35% severe)

SSE 3

90%

74°

Mostly Cloudy

Chance of Rain

10 AM

82°

88°

Partly Cloudy

SSE 6

77%

74°

1 PM

85°

93°

Mostly Cloudy

47%
RAIN
.5–1 in

0% Thunder
( 28% severe)

SE 8

70%

74°

4 PM

85°

93°

Partly Cloudy

ESE 10

70%

74°

7 PM

82°

88°

Partly Cloudy

E 8

77%

74°


BROWNSVILLE, TX extended weather forecast
Monday 25 MAY 2026	Tuesday 26 MAY 2026	Wednesday 27 MAY 2026	Thursday 28 MAY 2026	Friday 29 MAY 2026
Low 75°	Low 76°	Low 78°	Low 77°	Low 76°
High 92°	High 92°	High 91°	High 93°	High 92°

Partly Cloudy 28% Rain	Partly Cloudy 21% Rain	Overcast 36% Rain	Mostly Cloudy 21% Rain	Partly Cloudy 21% Rain

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