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 1:06 PM. The temperature feels like 29.55 with a humidity level of 78 so dress accordingly. Cloud coverage is 21 percent with visibility at 9.9 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 17 MPH. At the end of the day don’t miss the sunset at 3:03 AM.