If you planning to travel to Sonoma County Fairgrounds, Santa Rosa, 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 12:46 PM. The temperature feels like 59.949999999999996 with a humidity level of 76 so dress accordingly. Cloud coverage is 13 percent with visibility at 9.3 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 4 MPH. At the end of the day don’t miss the sunset at 3:29 AM.