If you planning to travel to Gianelli Vineyards, 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 2:31 PM. The temperature feels like 52.849999999999994 with a humidity level of 53 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 12:59 AM.