If you planning to travel to Diamond Valley Lake Marina, Hemet, 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 2:07 PM. The temperature feels like 54.5 with a humidity level of 77 so dress accordingly. Cloud coverage is 60 percent with visibility at 13 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 12:54 AM.