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 1:04 PM. The temperature feels like 73.1 with a humidity level of 88 so dress accordingly. Cloud coverage is 56 percent with visibility at 7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 12:19 AM.