National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

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

Lat: 25.91°NLon: 97.42°WElev: 23ft.

Overcast

78°F

26°C

Humidity 85%
Wind Speed S 15 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Apr 2:53 am CDT
Extended Forecast for

8 Miles SSW Port Isabel TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 84. Breezy, with a south southeast wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 29 mph.

    High: 84 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 85. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 24 mph.

    High: 85 °F

    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 69. East wind 6 to 10 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 69 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a north northeast wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 67. Northeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 79. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 79 °F

    Heavy Rain

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. East wind 8 to 14 mph.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. South southeast wind around 11 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 84. Breezy, with a south southeast wind 10 to 15 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 24 mph.
Saturday
Mostly cloudy, with a high near 85. Breezy, with a south southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Saturday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 69. East wind 6 to 10 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy, with a north northeast wind 15 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 67. Northeast wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 79. East wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. East wind 8 to 14 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Southeast wind 8 to 17 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 70. Southeast wind 8 to 11 mph.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 84. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Port Isabel TX
 25.97°N 97.26°W
Last Update:
3:15 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation