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- New: October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Fair
76°F
24°C
| Humidity | 54% |
| Wind Speed | N 20 G 30 mph |
| Barometer | 30.24 in (1024.1 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 18 Oct 1:53 pm CDT |
Extended Forecast for
4 Miles SSW Port Isabel TX
This Afternoon

High: 76 °F
Chance
ShowersTonight
Low: 72 °F
Slight Chance
Showers then
Mostly CloudyMonday

High: 80 °F
Chance
ShowersMonday Night
Low: 77 °F
Mostly Cloudy
then Slight
Chance
ShowersTuesday

High: 83 °F
Chance
Showers and
BreezyTuesday Night
Low: 76 °F
Slight Chance
Showers then
Chance
ShowersWednesday

High: 83 °F
Showers
LikelyWednesday Night

Low: 74 °F
Mostly Clear
Thursday

High: 83 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers. Mostly cloudy, with a high near 76. North wind around 17 mph.
Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 72. North northeast wind 6 to 13 mph.
Monday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 80. North northeast wind 9 to 16 mph.
Monday Night
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 77. East northeast wind 8 to 11 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers, mainly after 7am. Mostly sunny, with a high near 83. Breezy, with a northeast wind 9 to 18 mph.
Tuesday Night
A 50 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 76. Northeast wind 7 to 15 mph.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Northeast wind 8 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 74. East northeast wind 6 to 11 mph becoming light east after midnight.
Thursday
Sunny, with a high near 83. East northeast wind 5 to 13 mph.
Thursday Night
Mostly clear, with a low around 74. East northeast wind 5 to 9 mph becoming light east southeast after midnight.
Friday
Sunny, with a high near 84. Light east wind increasing to 8 to 13 mph in the morning.
Friday Night
Mostly clear, with a low around 75.
Saturday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Port Isabel TX
26.01°N 97.24°W
26.01°N 97.24°W
2:00 pm CDT Oct 18, 2026
2pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026


