Weather forecast for: Port Isabel TX
Last Update: 7:18 am CDT Sep 27, 2026
Today: Mostly sunny, with a high near 92. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Tonight: Partly cloudy, with a low around 80. East southeast wind 5 to 10 mph.
Monday: Mostly sunny, with a high near 92. Light southeast wind becoming east 8 to 13 mph in the morning.
Monday Night: Partly cloudy, with a low around 81. East southeast wind 9 to 14 mph.
Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 93. Southeast wind 9 to 17 mph. Chance of precipitation is 20%.
Tuesday Night: Partly cloudy, with a low around 82. Breezy, with a south southeast wind around 18 mph.
Wednesday: Mostly sunny, with a high near 94. Breezy, with a south southeast wind 18 to 22 mph.
Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 83. Breezy, with a southeast wind 16 to 20 mph.
Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Breezy, with a south southeast wind 16 to 20 mph.
Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 81. Southeast wind 10 to 17 mph. Chance of precipitation is 60%.
Friday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. East wind 9 to 15 mph. Chance of precipitation is 60%.
Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 79. Chance of precipitation is 60%.
Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
WeatherWorld.com
City of Port Isabel, TX
