If you planning to travel to Donner Memorial State Park, Truckee, 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 2:53 PM. The temperature feels like 21.950000000000003 with a humidity level of 99 so dress accordingly. Cloud coverage is 69 percent with visibility at 6.6 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 12:39 AM.