If you planning to travel to Sierra Conservation Center, Jamestown, 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 2:58 PM. The temperature feels like 42.8 with a humidity level of 78 so dress accordingly. Cloud coverage is 2 percent with visibility at 13 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 7 MPH. At the end of the day don’t miss the sunset at 1:33 AM.