If you planning to travel to Museums of Port Isabel, Port Isabel, Texas, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 11:53 AM. The temperature feels like 84.25 with a humidity level of 88 so dress accordingly. Cloud coverage is 57 percent with visibility at 9.2 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 20 MPH. At the end of the day don’t miss the sunset at 12:58 AM.