BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
5:53 AM CDT JUN 21, 2026
Scattered Clouds 82°F
Feels Like:	94°F
Dewpoint:	81°F
Rel. Hum.:	97%
Visibility:	9 miles
Wind:	SSE at 10 mph
Pressure:	29.79 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 2025 Hurricanes	BROWNSVILLE, TX 78521 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the lower 80s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

SUNDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the lower 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent. Heat index values up to 111.

SUNDAY NIGHT
Partly cloudy. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 106 early.

MONDAY
Sunny with highs in the mid 90s. South winds 15 to 20 mph with gusts up to 35 mph. Heat index values up to 110.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 107 early in the evening.

TUESDAY
Sunny. Highs in the mid 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 mid 90s.

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

THURSDAY
Sunny. Highs in the mid 90s. Heat index values up to 105.

THURSDAY NIGHT
Mostly clear. Lows in the upper 70s.

FRIDAY
Sunny. Highs in the mid 90s. Heat index values up to 105.

FRIDAY NIGHT
Mostly clear. Lows in the upper 70s.

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 6/20/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
21 JUN 2026

1 AM

85°

101°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 33% severe)

SE 12

88%

81°

Low 82°

4 AM

84°

97°

Mostly Cloudy

SSE 12

88%

80°

High 94°

7 AM

83°

94°

Mostly Cloudy

16%
RAIN
<.01 in

0% Thunder
( 20% severe)

SSE 14

88%

79°

Mostly Cloudy

Breezy

10 AM

87°

101°

Mostly Cloudy

SSE 18

77%

79°

1 PM

90°

106°

Mostly Cloudy

4%

0% Thunder
( 11% severe)

SSE 21

70%

79°

4 PM

91°

106°

Mostly Cloudy

SSE 21

66%

78°

7 PM

88°

101°

Partly Cloudy

0%

0% Thunder
( 4% severe)

SSE 18

72%

78°

10 PM

85°

98°

Partly Cloudy

SSE 16

82%

79°

Monday
22 JUN 2026

1 AM

84°

96°

Mostly Cloudy

0%

0% Thunder
( 5% severe)

SSE 16

85%

79°

Low 83°

4 AM

84°

95°

Partly Cloudy

SSE 15

82%

78°

High 96°

7 AM

83°

92°

Mostly Cloudy

0%

0% Thunder
( 8% severe)

SSE 16

82%

77°

Decreasing Clouds

Breezy

10 AM

89°

101°

Clear

SSE 21

66%

76°

1 PM

92°

105°

Clear

0%

0% Thunder
( 9% severe)

SSE 23

60%

76°

4 PM

92°

106°

Clear

SSE 22

62%

77°

7 PM

89°

102°

Partly Cloudy

0%

0% Thunder
( 5% severe)

SSE 20

68%

77°

10 PM

85°

98°

Partly Cloudy

SSE 17

82%

79°


BROWNSVILLE, TX extended weather forecast
Tuesday 23 JUN 2026	Wednesday 24 JUN 2026	Thursday 25 JUN 2026	Friday 26 JUN 2026	Saturday 27 JUN 2026
Low 79°	Low 77°	Low 78°	Low 78°	Low 79°
High 95°	High 95°	High 94°	High 94°	High 94°

Clear 13% Rain	Clear 13% Rain	Partly Cloudy 20% Rain	Partly Cloudy 20% Rain	Partly Cloudy 19% Rain

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