10-Day Weather Forecast - Napa, CA

Partly cloudy. Areas of fog in the morning. A slight chance of drizzle in the morning. Highs in the 60s. Northwest winds up to 5 mph. . . Becoming southwest in the afternoon.

Mostly clear. Areas of fog after midnight. Lows in the 40s to lower 50s. West winds 10 to 15 mph decreasing to up to 5 mph after midnight.

Sunny. Areas of fog in the morning. Highs in the mid 60s to upper 70s. Northwest winds up to 5 mph. . . Becoming southwest in the afternoon.

Clear. Lows in the mid 40s to lower 50s.

Sunny. Highs in the upper 60s to lower 80s.

Mostly clear. Lows in the 40s to mid 50s. Highs in the upper 60s to lower 80s.

Mostly clear. Lows in the 40s to mid 50s. Highs in the upper 60s to lower 80s.

Mostly clear except patchy fog. Lows in the 40s to mid 50s.

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.

Mostly clear in the evening then becoming mostly cloudy. Patchy fog. Lows in the 40s to mid 50s.

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 60s to upper 70s.

Partly cloudy. Low temperature around 51F. Dew point will be around 48F with an average humidity of 80%. Winds will be 8 mph from the SW.

Partly cloudy. High temperature around 70F. Dew point will be around 48F with an average humidity of 60%. Winds will be 8 mph from the SW.

Mostly clear. Low temperature around 51F. Dew point will be around 48F with an average humidity of 76%. Winds will be 8 mph from the SW.

Partly cloudy. High temperature around 68F. Dew point will be around 48F with an average humidity of 63%. Winds will be 8 mph from the SW.

Clear. Low temperature around 51F. Dew point will be around 49F with an average humidity of 77%. Winds will be 8 mph from the SW.

Mostly cloudy. High temperature around 68F. Dew point will be around 48F with an average humidity of 62%. Winds will be 8 mph from the SW.

Clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 76%. Winds will be 8 mph from the SW.