Monday
Patchy fog
High:
59°F
Patchy fog before noon. Otherwise, partly sunny, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Napa, CA Weather - Tomorrow’s Forecast
Monday Night
Patchy fog
Overnight low:
48°F
Patchy fog. Otherwise, mostly cloudy, with a low around 48. Light south wind.