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.

Rain

61°F

16°C

Humidity 90%
Wind Speed W 13 mph
Barometer 30.18 in (1021.7 mb)
Dewpoint 58°F (14°C)
Visibility 7.00 mi
Last update 19 Apr 9:53 pm CDT
Extended Forecast for

8 Miles SSE Port Isabel TX

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 66. East wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 8am, then showers likely and possibly a thunderstorm after 9am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. East wind 8 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Heavy Rain

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East southeast wind 9 to 14 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind 8 to 16 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 71. Southeast wind 7 to 13 mph. Chance of precipitation is 10%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. South southeast wind 7 to 15 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Southeast wind around 10 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.

    High: 83 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Southeast wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Low around 66. East wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, mainly before 8am, then showers likely and possibly a thunderstorm after 9am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. East wind 8 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East southeast wind 9 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 80. Southeast wind 8 to 16 mph.
Tuesday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 71. Southeast wind 7 to 13 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 82. South southeast wind 7 to 15 mph.
Wednesday Night
Mostly clear, with a low around 72. Southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 83. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 74. Southeast wind 11 to 14 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 84. South southeast wind 10 to 17 mph.
Friday Night
Partly cloudy, with a low around 74. Southeast wind 8 to 11 mph.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Port Isabel TX
 25.97°N 97.18°W
Last Update:
10:15 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 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