BROWNSVILLE, TX 78521 Weather Forecast & Current Conditions

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78521 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
BROWNSVILLE, TX Current Weather
4:53 PM CDT OCT 18, 2026
Overcast 75°F
Feels Like:	75°F
Dewpoint:	57°F
Rel. Hum.:	54%
Visibility:	10 miles
Wind:	N at 13 mph, gusts to 23
Pressure:	30.20 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
Partly sunny with a 20 percent chance of showers. Near steady temperature in the upper 70s. North winds 10 to 15 mph with gusts up to 20 mph.

TONIGHT
Mostly cloudy. A slight chance of showers in the evening. Not as cool with lows in the upper 60s. North winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

MONDAY
Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 80s. North winds 10 to 15 mph. Chance of rain 40 percent.

MONDAY NIGHT
Mostly cloudy in the evening, then clearing. Lows in the lower 70s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening.

TUESDAY
Mostly sunny. Highs in the mid 80s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.

TUESDAY NIGHT
Partly cloudy. Lows in the lower 70s.

WEDNESDAY
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

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

THURSDAY
Sunny. Highs in the mid 80s.

THURSDAY NIGHT
Clear. Lows in the upper 60s.

FRIDAY
Sunny. Highs in the upper 80s.

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

SATURDAY
Mostly sunny. Highs in the upper 80s.

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 10/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
18 OCT 2026

1 PM

77°

79°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 3% severe)

N 15

54%

59°

High 79°

4 PM

78°

80°

Mostly Cloudy

N 15

67%

66°

Mostly Cloudy

Chance of Rain

7 PM

73°

73°

Mostly Cloudy

29%
RAIN
1–2 in

0% Thunder
( 2% severe)

N 10

71%

63°

10 PM

72°

72°

Mostly Cloudy

N 7

81%

66°

Monday
19 OCT 2026

1 AM

71°

71°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 1% severe)

NNW 6

90%

68°

Low 69°

4 AM

70°

70°

Mostly Cloudy

NNW 8

97%

69°

High 85°

7 AM

71°

71°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 3% severe)

NNW 8

93%

69°

Mostly Cloudy

Chance of Rain

10 AM

77°

79°

Mostly Cloudy

N 8

82%

71°

1 PM

82°

86°

Mostly Cloudy

33%
RAIN
.25–.5 in

0% Thunder
( 4% severe)

NNE 12

69%

71°

4 PM

83°

88°

Mostly Cloudy

NNE 13

70%

72°

7 PM

77°

79°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 5% severe)

NNE 9

79%

70°

10 PM

75°

75°

Partly Cloudy

NE 5

90%

72°

Tuesday
20 OCT 2026

1 AM

75°

75°

Partly Cloudy

5%

0% Thunder
( 5% severe)

NE 3

90%

72°

Low 73°

4 AM

75°

75°

Clear

NNE 5

94%

73°

High 88°

7 AM

75°

75°

Clear

21%
RAIN
.1–.25 in

0% Thunder
( 11% severe)

NNE 7

94%

73°

Partly Cloudy

Chance of Rain

10 AM

81°

86°

Partly Cloudy

NE 9

77%

73°

1 PM

85°

91°

Partly Cloudy

28%
RAIN
.5–1 in

0% Thunder
( 16% severe)

NE 14

65%

72°

4 PM

86°

92°

Partly Cloudy

NE 15

63%

72°

7 PM

80°

83°

Partly Cloudy

NE 12

74%

71°


BROWNSVILLE, TX extended weather forecast
Wednesday 21 OCT 2026	Thursday 22 OCT 2026	Friday 23 OCT 2026	Saturday 24 OCT 2026	Sunday 25 OCT 2026
Low 70°	Low 68°	Low 66°	Low 68°	Low 68°
High 87°	High 90°	High 89°	High 90°	High 83°

Partly Cloudy 67% Rain	Clear 10% Rain	Clear 5% Rain	Clear 15% Rain	Partly Cloudy 28% Rain

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