Napa, CA Weather - Tomorrow’s Forecast

Sunday

Patchy fog

High:
76°F

Patchy fog before 8am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear

Overnight low:
53°F

Mostly clear, with a low around 53. Southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.