If you planning to travel to Robert Louis Stevenson State Park, Calistoga, 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 3:17 PM. The temperature feels like 41.45 with a humidity level of 62 so dress accordingly. Cloud coverage is 9 percent with visibility at 11.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:29 AM.