If you planning to travel to Usina Beach, St. Augustine, Florida, 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 11:56 AM. The temperature feels like 60.35 with a humidity level of 50 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.8 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 15 MPH. At the end of the day don’t miss the sunset at 10:27 PM.