Brownsville, TX Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Brownsville, TX.

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Current Conditions — Brownsville, TX

WESLACO MIDVALLY (KTXW)

Mostly Cloudy

77.9 F
Humidity:90%
Wind Speed: 10.3 mph
Barometer:29.76 in
Dewpoint:74.7 F
Visibility:7.00 mi
Precip:--
Heat Index:79.7 F
Wind Chill:NA
Apr 27 2026, 02:15 AM CDT
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5-Day Forecast — Brownsville, TX

Monday

High 93 °F
Mostly Cloudy
Monday
Night
Low 77 °F
Mostly Cloudy
Tuesday

High 93 °F
Partly Sunny
Tuesday
Night
Low 75 °F
Partly Cloudy
Wednesday

High 93 °F
Partly Sunny
Wednesday
Night
Low 75 °F
Mostly Cloudy
Thursday

High 91 °F
Mostly Cloudy
Thursday
Night
Low 75 °F
Mostly Cloudy
Friday

High 91 °F
Partly Sunny

Detailed Forecast — Brownsville, TX

Monday
Mostly Cloudy. High near 93°F. Wind 10 to 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly Cloudy. Low around 77°F. Wind 10 to 12 mph, with gusts as high as 22 mph.
Tuesday
Partly Sunny. High near 93°F. Wind 12 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
Partly Cloudy. Low around 75°F. Wind 10 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly Sunny. High near 93°F. Wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly Cloudy. Low around 75°F. Wind around 7 mph, with gusts as high as 14 mph.
Thursday
Mostly Cloudy. High near 91°F. Wind 15 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly Cloudy. Low around 75°F. Wind around 9 mph, with gusts as high as 18 mph.
Friday
Partly Sunny. High near 91°F. Wind 14 to 17 mph, with gusts as high as 28 mph.
Friday Night
Chance of Thunderstorms. Low around 71°F. Wind around 9 mph, with gusts as high as 18 mph.
Saturday
Chance of Rain Showers. High near 84°F. Wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday Night
Isolated T-storm. Low around 66°F. Wind around 8 mph, with gusts as high as 16 mph.
Sunday
Mostly Cloudy. High near 80°F. Wind around 12 mph, with gusts as high as 20 mph.
TX Radar
Current Radar • TX
Day 1 Outlook • April 27, 2026

Observation History — Brownsville, TX

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:15 AM CDT 10.3 7.00 Mostly Cloudy -- 77.9 74.7 90% NA 79.7 29.76 1007.8
01:55 AM CDT 11.4 10.00 Cloudy -- 78.3 74.8 89% NA 80.1 29.77 1008.1
01:35 AM CDT SE 13.9 10.00 Cloudy -- 78.3 74.8 89% NA 80.1 29.77 1008.1
01:15 AM CDT 8.1 10.00 Cloudy -- 78.1 74.8 90% NA 79.9 29.78 1008.5
12:55 AM CDT SE 5.8 10.00 Mostly Cloudy -- 78.1 74.7 89% NA 79.7 29.79 1008.8
12:35 AM CDT SE 6.9 10.00 Clear -- 78.3 74.5 88% NA 79.9 29.79 1008.8
12:15 AM CDT 6.9 10.00 Clear -- 78.6 74.7 88% NA 81.9 29.79 1008.8
11:55 PM CDT SE 8.1 10.00 Clear -- 79.0 74.5 86% NA 82.6 29.78 1008.5
11:35 PM CDT SE 9.2 10.00 Mostly Cloudy -- 79.5 74.8 86% NA 83.8 29.78 1008.5
11:15 PM CDT SE 9.2 10.00 Cloudy -- 80.1 75.0 85% NA 85.1 29.78 1008.5
10:55 PM CDT SE 9.2 10.00 Cloudy -- 80.4 75.0 84% NA 85.6 29.79 1008.8
10:35 PM CDT SE 9.2 10.00 Mostly Cloudy -- 79.2 74.8 87% NA 83.1 29.77 1008.1
10:15 PM CDT 8.1 10.00 Partly Cloudy -- 79.5 74.8 86% NA 83.8 29.77 1008.1
09:55 PM CDT 10.3 10.00 Clear -- 79.9 74.8 85% NA 84.6 29.76 1007.8
09:35 PM CDT 9.2 10.00 Clear -- 80.4 74.7 83% NA 85.6 29.76 1007.8
09:15 PM CDT 9.2 10.00 Clear -- 81.0 74.7 81% NA 86.5 29.75 1007.5
08:55 PM CDT E 8.1 10.00 Clear -- 81.7 74.1 78% NA 87.6 29.74 1007.1
08:35 PM CDT 8.1 10.00 NULL -- 82.4 74.1 76% NA 88.7 29.73 1006.8
08:15 PM CDT 12.8 10.00 Partly Cloudy -- 82.9 74.1 75% NA 89.6 29.71 1006.1
07:55 PM CDT 13.9 10.00 Mostly Cloudy -- 84.0 74.3 73% NA 91.4 29.70 1005.8
07:35 PM CDT 12.8 10.00 Mostly Cloudy -- 85.1 74.3 70% NA 93.0 29.70 1005.8
07:15 PM CDT 12.8 10.00 Mostly Cloudy -- 86.4 74.3 67% NA 94.8 29.70 1005.8
06:55 PM CDT 11.4 10.00 Partly Cloudy -- 88.5 73.0 60% NA 96.4 29.69 1005.4
06:35 PM CDT 10.3 10.00 Mostly Cloudy -- 87.3 73.8 64% NA 95.5 29.69 1005.4

Regional Weather Observation

WESLACO MIDVALLY (KTXW)

Mostly Cloudy
77.9 F

HARLINGEN (KHRL)

Cloudy
78.8 F

PORT ISABEL (KPIL)

Cloudy
78.8 F

BROWNSVILLE (KBRO)

Mostly Cloudy
78.8 F

MCALLEN (KMFE)

Cloudy
78.8 F

EDINBURG INTL (KEBG)

Fog/Mist
77.0 F
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