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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.
Light Rain and Breezy
60°F
16°C
| Humidity | 93% |
| Wind Speed | NW 25 G 33 mph |
| Barometer | 30.18 in (1021.8 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 5 Apr 1:53 pm CDT |
Extended Forecast for
Port Isabel TX
This Afternoon
High: 70 °F
Heavy Rain
and BreezyTonight
Low: 63 °F
Showers and
BreezyMonday
High: 71 °F
Showers
Likely and
BreezyMonday Night
Low: 63 °F
Mostly Cloudy
Tuesday
High: 76 °F
Partly Sunny
then Slight
Chance
ShowersTuesday Night
Low: 67 °F
Chance
ShowersWednesday
High: 79 °F
Slight Chance
ShowersWednesday Night
Low: 70 °F
Mostly Cloudy
then Slight
Chance
ShowersThursday
High: 80 °F
Slight Chance
T-storms then
Chance
Showers
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 70. Breezy, with a north wind around 24 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 63. Breezy, with a north wind 17 to 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 71. Breezy, with a north wind 18 to 23 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 63. North wind 6 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. East northeast wind 6 to 13 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 67. East wind 6 to 10 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 79. East wind 6 to 11 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 70. East wind 6 to 10 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 14 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East southeast wind 7 to 11 mph.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East southeast wind 6 to 16 mph.
Friday Night
Partly cloudy, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Partly 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
2:18 pm CDT Apr 5, 2026
2pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
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