Temperatures in the 60s are expected for the Napa area. The forecast calls for it to be a mild 69 degrees. 45 degrees is today's low. Winds should be calm today, with forecast showing winds from the West, clocking in at 3 mph. This report is created automatically with weather data provided by TownNews.com. Keep an eye on napavalleyregister.com for forecast information and severe weather updates.