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
83°F
28°C
| Humidity | 79% |
| Wind Speed | SE 15 G 22 mph |
| Barometer | 29.80 in (1009.2 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 30 Apr 9:53 am CDT |
Extended Forecast for
Port Isabel TX
Today

High: 82 °F
Partly Sunny
Tonight

Low: 76 °F
Mostly Cloudy
Friday

High: 83 °F
Mostly Sunny
Friday 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: 75 °F
Partly Sunny
Sunday Night

Low: 70 °F
Partly Cloudy
Monday

High: 78 °F
Partly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 82. Southeast wind 13 to 17 mph.
Tonight
Mostly cloudy, with a low around 76. East southeast wind 11 to 14 mph.
Friday
Mostly sunny, with a high near 83. Southeast wind 10 to 17 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 13 to 23 mph becoming north after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Cloudy, with a high near 72. Breezy, with a north wind 24 to 26 mph, with gusts as high as 32 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, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 75. East northeast wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 70. East southeast wind 8 to 11 mph.
Monday
Partly sunny, with a high near 78. Southeast wind 7 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 73. Southeast wind 14 to 16 mph.
Tuesday
Partly sunny, with a high near 82. Breezy, with a south southeast wind 15 to 22 mph.
Tuesday Night
Partly cloudy, with a low around 76. Breezy.
Wednesday
Partly sunny, with a high near 84. 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
10:30 am CDT Apr 30, 2026
10am CDT Apr 30, 2026-6pm CDT May 6, 2026


