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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.
Overcast
77°F
25°C
| Humidity | 88% |
| Wind Speed | SE 12 mph |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 4 Apr 11:53 pm CDT |
Extended Forecast for
Port Isabel TX
Overnight
Low: 75 °F
Showers
LikelySunday
High: 73 °F⇓
Heavy Rain
and BreezySunday Night
Low: 64 °F
Showers and
BreezyMonday
High: 67 °F
Showers
Likely and
BreezyMonday Night
Low: 65 °F
Slight Chance
ShowersTuesday
High: 71 °F
Slight Chance
ShowersTuesday Night
Low: 68 °F
Slight Chance
ShowersWednesday
High: 74 °F
Slight Chance
ShowersWednesday Night
Low: 70 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a steady temperature around 75. East northeast wind around 7 mph. Chance of precipitation is 70%.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Temperature falling to around 65 by 5pm. Breezy, with a north northeast wind 10 to 15 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 thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 64. Breezy, with a north wind 18 to 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly between 7am and 1pm. Mostly cloudy, with a high near 67. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 65. North northeast wind 7 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 71. North northeast wind 7 to 13 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 68. East wind 5 to 11 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 74. Light east wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 70. East wind 6 to 10 mph.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76. East southeast wind 5 to 14 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind 7 to 11 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Partly sunny, with a high near 78. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.24°W
26.08°N 97.24°W
12:30 am CDT Apr 5, 2026
12am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
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