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Sep. 15, 2021 evening weather update for Napa Valley

Sep. 15, 2021 evening weather update for Napa Valley


Napa's evening forecast: A few passing clouds. Low 51F. Winds SW at 5 to 10 mph. Looking at tomorrow's forecast, warm temperatures are in the forecast for the Napa area. The forecast calls for it to be a moderate 78 degrees. Expect a drastic drop in temperatures though, with a low reaching 51 degrees. Expect periods of sun and clouds. The area will see gentle winds tomorrow, with forecast showing winds from southwest, clocking in at 11 mph. This report is created automatically with weather data provided by Visit for more weather updates.

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