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 12:38 PM. The temperature feels like 85 with a humidity level of 75 so dress accordingly. Cloud coverage is 20 percent with visibility at 13.5 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 20 MPH. At the end of the day don’t miss the sunset at 11:44 PM.