Napa, CA Weather - Tomorrow’s Forecast

Friday

Chance of showers and thunderstorms

High:
77°F

A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming south southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Mostly clear

Overnight low:
58°F

Mostly clear, with a low around 58. South southwest wind 5 to 7 mph becoming calm in the evening.