Weather Forecast for Mumm Napa, St. Helena, California

Traveling to Mumm Napa, 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 1:27 PM and don’t miss the sunset at 2:51 AM. Today’s winds are traveling south-southwest at a speed of 4 MPH. The temperature feels like 63 with a humidity level of 75. Cloud coverage is 23 percent with 9.8 percent visibility. Today’s UV index is 9 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.