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 12:06 PM. The temperature feels like 73.75 with a humidity level of 74 so dress accordingly. Cloud coverage is 9 percent with visibility at 13.4 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 17 MPH. At the end of the day don’t miss the sunset at 12:50 AM.