If you planning to travel to Hiltscher Park Trail, Fullerton, California, 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 2:55 PM. The temperature feels like 54.9 with a humidity level of 77 so dress accordingly. Cloud coverage is 27 percent with visibility at 12 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:49 AM.