News Headlines
- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
- New: Want to Help NWS and Water Resource Officials Better Understand RGV Rainfall? Join CoCoRaHS Today!
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Mostly Cloudy
82°F
28°C
| Humidity | 74% |
| Wind Speed | SE 14 mph |
| Barometer | 29.67 in (1004.7 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 30 Apr 5:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight

Low: 76 °F
Mostly Cloudy
Friday
High: 84 °F
Mostly Sunny
then Mostly
Sunny and
BreezyFriday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely and
BreezySaturday

High: 72 °F
Chance
Showers and
BreezySaturday Night
Low: 68 °F
Mostly Cloudy
and Breezy
then Mostly
CloudySunday

High: 76 °F
Partly Sunny
Sunday Night

Low: 71 °F
Mostly Cloudy
Monday

High: 79 °F
Partly Sunny
Monday Night

Low: 74 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 76. East southeast wind 11 to 14 mph.
Friday
Mostly sunny, with a high near 84. Breezy, with a southeast wind 11 to 18 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Breezy, with a southeast wind 11 to 16 mph becoming north 18 to 23 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm. Mostly cloudy, with a high near 72. Breezy, with a north wind 24 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 68. Breezy, with a north northeast wind 10 to 20 mph.
Sunday
Partly sunny, with a high near 76. East northeast wind 10 to 13 mph.
Sunday Night
Mostly cloudy, with a low around 71. East wind 9 to 11 mph.
Monday
Partly sunny, with a high near 79. Southeast wind 8 to 16 mph.
Monday Night
Mostly cloudy, with a low around 74. South southeast wind 15 to 17 mph.
Tuesday
Partly sunny, with a high near 82. Breezy, with a south southeast wind 16 to 22 mph.
Tuesday Night
Partly cloudy, with a low around 77. Breezy, with a south southeast wind around 21 mph.
Wednesday
Partly sunny, with a high near 84. Breezy.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
6:50 pm CDT Apr 30, 2026
6pm CDT Apr 30, 2026-6pm CDT May 7, 2026


