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- Before Easter Weekend Rain, Drought Increased to Its Worst Levels in More than Ten Years. Track it Here.
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- 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
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
A Few Clouds
78°F
26°C
| Humidity | 85% |
| Wind Speed | E 16 mph |
| Barometer | 29.95 in (1014.3 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 4 Apr 6:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight
Low: 70 °F
Chance
Showers then
Showers
LikelySunday
High: 77 °F
Heavy Rain
and BreezySunday Night
Low: 62 °F
Showers and
BreezyMonday
High: 71 °F
Showers
Likely and
BreezyMonday Night
Low: 64 °F
Chance
ShowersTuesday
High: 75 °F
Chance
ShowersTuesday Night
Low: 66 °F
Chance
ShowersWednesday
High: 78 °F
Slight Chance
ShowersWednesday Night
Low: 69 °F
Mostly Cloudy
Detailed Forecast
Tonight
A chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 70. East southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10am. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a north northeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 62. Breezy, with a north wind 16 to 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 71. Breezy, with a north wind 17 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 64. North wind 8 to 16 mph, with gusts as high as 21 mph.
Tuesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 75. Northeast wind 8 to 14 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 66. East northeast wind 5 to 11 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 78. East wind 5 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 69. East wind 6 to 10 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80. East southeast wind 5 to 15 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71. East southeast wind 8 to 11 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
Mostly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 82. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
7:00 pm CDT Apr 4, 2026
7pm CDT Apr 4, 2026-6pm CDT Apr 11, 2026
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