News Headlines
- New: Microburst(s) Cause Damage to Structures, Power Poles, and Trees in Hidalgo County, June 12th, 2025
- New: Spring (March to May) 2025 RGV Weather Summary: A State of Heat and Drought, Broken by a Devastating Flood
- Summer 2025 Outlook - The Heat Is On, Water Resource Issues May Worsen, and Limited Opportunities for Tropical Rains
- Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas
Current conditions at
Port Isabel, Port Isabel-Cameron County Airport (KPIL)
Lat: 26.16°NLon: 97.34°WElev: 16ft.
Overcast
84°F
29°C
| Humidity | 74% |
| Wind Speed | S 8 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 21 Jun 4:53 pm CDT |
Extended Forecast for
Port Isabel TX
Tonight
Low: 79 °F
Slight Chance
Showers then
Partly CloudySunday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night
Low: 79 °F
Partly Cloudy
Monday
High: 89 °F
Slight Chance
T-stormsMonday Night
Low: 79 °F
Mostly Clear
Tuesday
High: 89 °F
Chance
Showers then
Chance
T-stormsTuesday Night
Low: 78 °F
Slight Chance
T-stormsWednesday
High: 89 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 78 °F
Partly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Tonight
A slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 79. Southeast wind 10 to 14 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 79. Southeast wind 8 to 14 mph.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 4pm, then a slight chance of showers after 4pm. Sunny, with a high near 89. East southeast wind 7 to 14 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 79. East southeast wind 6 to 11 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 89. East southeast wind 5 to 11 mph. Chance of precipitation is 40%.
Tuesday Night
A slight chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. East southeast wind 5 to 11 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Southeast wind 6 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Southeast wind 6 to 11 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 6 to 10 mph.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Isabel TX
26.06°N 97.21°W
26.06°N 97.21°W
5:45 pm CDT Jun 21, 2025
5pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
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