Napa, CA Weather - Tomorrow’s Forecast

Monday

Patchy fog

High:
66°F

Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. Light and variable wind.

Monday Night

Mostly cloudy

Overnight low:
45°F

A 30 percent chance of showers after 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Calm wind.