Monday
Becoming cloudy
High:
64°F
Mostly sunny, then becoming cloudy during the afternoon, with a high near 64. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Napa, CA Weather - Tomorrow’s Forecast
Monday Night
Chance of showers and thunderstorms
Overnight low:
44°F
A 20 percent chance of showers after 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.