If you planning to travel to Brazos Island State Park, Brownsville, 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 12:31 PM. The temperature feels like 62.25 with a humidity level of 55 so dress accordingly. Cloud coverage is 9 percent with visibility at 14.4 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 15 MPH. At the end of the day don’t miss the sunset at 12:39 AM.