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WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus

Current conditions at

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

Lat: 25.91°NLon: 97.42°WElev: 23ft.

Light Rain

80°F

27°C

Humidity	87%
Wind Speed	N 7 mph
Barometer	29.85 in (1010.6 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	3 Oct 8:53 pm CDT

More Information:

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

Extended Forecast for

7 Miles SSE Port Isabel TX

Tonight
Low: 77 °F
Showers
Sunday
High: 88 °F
Heavy Rain
Sunday Night
Low: 77 °F
Showers
Monday
High: 88 °F
Showers
Monday Night
Low: 76 °F
Showers
Tuesday
High: 88 °F
Showers
Likely and
Breezy
Tuesday Night
Low: 76 °F
Chance
Showers
Wednesday
High: 89 °F
Chance
T-storms and
Breezy
Wednesday Night
Low: 76 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 77. North northeast wind 6 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 88. North wind 9 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers likely and possibly a thunderstorm after 3am. Low around 77. North northeast wind 5 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

Showers and possibly a thunderstorm. High near 88. North wind 9 to 16 mph. Chance of precipitation is 90%.

Monday Night

Showers and possibly a thunderstorm. Low around 76. North northeast wind 7 to 15 mph. Chance of precipitation is 80%.

Tuesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Breezy, with a north wind 13 to 20 mph. Chance of precipitation is 70%.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. North wind 6 to 16 mph.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Breezy, with a north wind 11 to 20 mph.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. North northeast wind 6 to 16 mph.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Breezy, with a north northeast wind 10 to 20 mph. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. North northeast wind 8 to 17 mph.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Breezy.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.