Labor Day
Sunny
High:
91°F
Sunny, with a high near 91. Light south southwest wind becoming southwest 5 to 9 mph in the afternoon.
Napa, CA Weather - Tomorrow’s Forecast
Monday Night
Mostly clear
Overnight low:
59°F
Mostly clear, with a low around 59. West southwest wind 5 to 9 mph becoming light south southwest after midnight.