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 1:25 PM. The temperature feels like 53.3 with a humidity level of 61 so dress accordingly. Cloud coverage is 21 percent with visibility at 14.8 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 2:48 AM.