Traveling to HALL St. Helena Winery, St. Helena, California? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 3:03 PM and don’t miss the sunset at 12:50 AM. Today’s winds are traveling southwest at a speed of 1 MPH. The temperature feels like 52 with a humidity level of 90. Cloud coverage is 61 percent with 11.2 percent visibility. Today’s UV index is 3 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.