If you planning to travel to World's Largest Rattlesnake, San Diego, 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 1:00 PM. The temperature feels like 56.75 with a humidity level of 30 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.9 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 5 MPH. At the end of the day don’t miss the sunset at 11:39 PM.