Sunday
Fog
High:
81°F
Widespread fog, mainly before 7am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Napa, CA Weather - Tomorrow’s Forecast
Sunday Night
Mostly clear
Overnight low:
51°F
Widespread fog, mainly after 3am. Otherwise, mostly clear, with a low around 51. South southwest wind around 6 mph becoming calm in the evening.