Port Brownsville, Texas Weather
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Weather Forecast for Port Brownsville, Texas : Cameron County
Issued: 7:15 pm CDT Jul 1, 2025 Latitude: 25.9448024 Longitude: -97.4047028 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Independence Day Saturday Sunday Monday Tuesday
40% chance of thunderstorms on Tonight 20% chance of thunderstorms on Wednesday Partly Sunny on Thursday Partly Sunny on Independence Day Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday
Low: 76°F High: 89°F High: 91°F High: 92°F High: 93°F High: 93°F High: 93°F High: 94°F
Low: 79°F Low: 79°F Low: 79°F Low: 78°F Low: 76°F Low: 77°F  
Thunderstorms Thunderstorms Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
BROWNSVILLE - (KBRO)
75°
Mostly Cloudy
Light Rain
as of 6:53 PM CDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Scattered at 4700ft, Scattered at 6500ft, Broken at 9500ft
Current Conditions at
PORT ISABEL - (KPIL)
45°
Cloudy
Light Rain
as of 6:53 PM CDST
Rel. Humidity: 15%
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
5 MPH
330° Northwest
Cloud Level(s): Few at 1600ft, Scattered at 6500ft, Solid Overcast at 10000ft
Current Conditions at
HARLINGEN - (KHRL)
73°
Mostly Cloudy
Rain Mist
as of 6:52 PM CDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 5 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
6 MPH
040° Northeast
Cloud Level(s): Scattered at 10000ft, Broken at 12000ft
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 76. East wind 5 to 8 mph. Chance of precipitation is 40%.
20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 89. Southeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 79. Southeast wind 7 to 11 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 91. Southeast wind 7 to 15 mph, with gusts as high as 23 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 79. Southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Partly Sunny on Independence Day Independence Day... Partly sunny, with a high near 92. South southeast wind 9 to 15 mph, with gusts as high as 24 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 79. South southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 93. South southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 78. Southeast wind 6 to 11 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 93. Southeast wind 5 to 11 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 76. East southeast wind 5 to 10 mph becoming light southeast after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 93.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 77.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 94.
Sun Almanac for Port Brownsville, Texas
Sunrise: 06:42 AM
Sunset: 8:26 PM
Civil Sunrise:06:16 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 05:45 AM
Nautical Sunset: 9:23 PM
Astro Sunrise: 05:12 AM
Astro Sunset: 9:56 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.