Weather Forecast for Mount Diablo State Park, Clayton, California

If you planning to travel to Mount Diablo State Park, Clayton, 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 12:44 PM. The temperature feels like 63.3 with a humidity level of 47 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.9 percent. Today’s UV index is 11, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 13 MPH. At the end of the day don’t miss the sunset at 3:32 AM.