10-Day Weather Forecast - Napa, CA

Sunny. Patchy dense fog in the morning. Highs in the upper 50s to lower 70s. East winds 5 to 10 mph.

Mostly clear. Lows in the upper 30s to lower 50s. Northeast winds 5 to 10 mph.

Sunny. Highs in the 50s to upper 60s. East winds 5 to 10 mph.

Mostly clear. Lows in the 30s to upper 40s.

Sunny. Highs in the 50s to upper 60s.

Partly cloudy. Lows in the 30s to upper 40s.

Partly cloudy in the morning then becoming sunny. Highs in the 50s to upper 60s.

Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to upper 40s.

Partly cloudy in the morning then becoming sunny. Areas of fog. Highs in the 50s to upper 60s.

Partly cloudy. Patchy fog. Lows in the 40s. Highs in the 50s to mid 60s.

Partly cloudy. Patchy fog. Lows in the 40s. Highs in the 50s to mid 60s.

Mostly cloudy. Low temperature around 39F. Dew point will be around 42F with an average humidity of 91%. Winds will be 5 mph from the NE.

Mostly sunny. High temperature around 58F. Dew point will be around 44F with an average humidity of 77%. Winds will be 2 mph from the S.

Clear. Low temperature around 39F. Dew point will be around 42F with an average humidity of 95%. Winds will be 3 mph from the NW.

Sunny. High temperature around 55F. Dew point will be around 43F with an average humidity of 77%. Winds will be 2 mph from the SW.

Clear. Low temperature around 37F. Dew point will be around 40F with an average humidity of 94%. Winds will be 4 mph from the NW.

Sunny. High temperature around 56F. Dew point will be around 40F with an average humidity of 72%. Winds will be 2 mph from the N.

Clear. Low temperature around 36F. Dew point will be around 39F with an average humidity of 92%. Winds will be 4 mph from the N.