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Here is today's weather outlook for May. 18, 2022 in Napa, CA

The forecast is showing a hot day in Napa. It should reach a warm 81 degrees. Expect a drastic drop in temperatures though, with a low reaching 47 degrees. Winds should be calm today, with forecast showing winds from Southwest, clocking in at 3 mph. This report is created automatically with weather data provided by For more daily forecast information, visit

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