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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
69°F
21°C
| Humidity | 84% |
| Wind Speed | E 5 mph |
| Barometer | 29.98 in (1015.3 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 8 Apr 3:53 am CDT |
Extended Forecast for
Port Isabel TX
Overnight
Low: 71 °F
Chance
ShowersWednesday
High: 76 °F
Chance
ShowersWednesday Night
Low: 72 °F
Mostly Cloudy
Thursday
High: 77 °F
Chance
ShowersThursday Night
Low: 72 °F
Chance
Showers then
Chance
T-stormsFriday
High: 77 °F
Showers
LikelyFriday Night
Low: 72 °F
Slight Chance
T-storms then
Slight Chance
ShowersSaturday
High: 78 °F
Chance
Showers and
BreezySaturday Night
Low: 74 °F
Partly Cloudy
Detailed Forecast
Overnight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 71. East southeast wind around 8 mph.
Wednesday
A 30 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 76. East wind 7 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 72. East wind 7 to 11 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. East southeast wind 6 to 14 mph. Chance of precipitation is 40%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind 8 to 13 mph.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. East southeast wind 7 to 15 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. East southeast wind 10 to 13 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Breezy, with an east southeast wind 9 to 18 mph.
Saturday Night
Partly cloudy, with a low around 74. Southeast wind around 16 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 80. Breezy, with a south southeast wind 15 to 22 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 74. Southeast wind around 17 mph, with gusts as high as 22 mph.
Monday
Partly sunny, with a high near 80. Breezy.
Monday Night
Mostly cloudy, with a low around 74. Breezy.
Tuesday
Partly sunny, with a high near 80. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.08°N 97.21°W
26.08°N 97.21°W
3:45 am CDT Apr 8, 2026
4am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
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