If you planning to travel to Rancho San Antonio County Park, Cupertino, 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 3:22 PM. The temperature feels like 51.349999999999994 with a humidity level of 56 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 1:10 AM.