If you planning to travel to Lighthouse Beach, Port Lavaca, 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 1:15 PM. The temperature feels like 70.80000000000001 with a humidity level of 95 so dress accordingly. Cloud coverage is 44 percent with visibility at 10.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 11:36 PM.