National Weather Service

News Headlines

New: April-June 2026 Outlook: Warmer than normal temperatures are favored to continue; precipitation is a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues are in focus

Current conditions at

Brownsville, Brownsville / South Padre Island International Airport (KBRO)

Lat: 25.91°NLon: 97.42°WElev: 23ft.

Mostly Cloudy

85°F

29°C

Humidity	59%
Wind Speed	E 13 G 22 mph
Barometer	29.87 in (1011.4 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	18 Apr 4:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles SSW Port Isabel TX

Tonight
Low: 68 °F
Mostly Cloudy
then Showers
Likely
Sunday
High: 75 °F
Showers
Likely and
Breezy
Sunday Night
Low: 67 °F
Showers
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 70 °F
Chance
Showers
Tuesday
High: 82 °F
Chance
Showers
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 72 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 68. East wind 6 to 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Sunday

A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Cloudy, with a high near 75. Breezy, with a northeast wind 18 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

Showers and possibly a thunderstorm. Low around 67. Northeast wind 8 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. East wind 7 to 16 mph. Chance of precipitation is 70%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 7 to 14 mph, with gusts as high as 20 mph.

Tuesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind 6 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Partly cloudy, with a low around 70. Southeast wind 8 to 13 mph.

Wednesday

Mostly sunny, with a high near 84. Southeast wind 7 to 15 mph.

Wednesday Night

Mostly clear, with a low around 72. East southeast wind 9 to 11 mph.