10-Day Weather Forecast - Napa, CA

Patchy dense fog in the morning. Rain. Highs in the mid to upper 50s. South winds 10 to 20 mph.

Cloudy. Patchy fog in the evening. Areas of fog after midnight. A chance of rain. Lows in the mid 40s to lower 50s. Southwest winds 10 to 15 mph. . . Becoming west up to 5 mph after midnight.

Areas of fog in the morning then patchy fog in the afternoon. Rain likely in the morning then rain in the afternoon. Highs in the 50s. West winds up to 5 mph. . . Becoming southeast around 5 mph in the afternoon.

Patchy fog in the evening. Rain. Lows in the upper 40s to mid 50s. South winds 5 to 10 mph increasing to 10 to 20 mph after midnight.

Breezy. Showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the mid to upper 50s.

Rain. Lows in the upper 40s to mid 50s. Highs in the 50s.

Rain. Lows in the upper 40s to mid 50s. Highs in the 50s.

Patchy fog. Rain. Lows in the mid 40s to lower 50s.

Rain. Highs in the 50s. Lows in the 40s.

Rain. Highs in the 50s. Lows in the 40s.

Rain likely. Highs in the 40s to upper 50s.

Rain likely. Lows in the mid 40s to lower 50s.

Breezy rain. Highs in the 40s to upper 50s.

Cloudy with probable rain. Chance of precipitation 75%. Low temperature around 45F. Dew point will be around 45F with an average humidity of 96%. Winds will be 11 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 50F. Dew point will be around 45F with an average humidity of 89%. Winds will be 6 mph from the S.

Clear. Low temperature around 42F. Dew point will be around 41F with an average humidity of 93%. Winds will be 4 mph from the S.

Mostly sunny. High temperature around 48F. Dew point will be around 42F with an average humidity of 88%. Winds will be 4 mph from the SE.

Partly cloudy. Low temperature around 41F. Dew point will be around 40F with an average humidity of 91%. Winds will be 4 mph from the SE.

Partly cloudy. High temperature around 47F. Dew point will be around 42F with an average humidity of 88%. Winds will be 6 mph from the SE.

Partly cloudy. Low temperature around 42F. Dew point will be around 41F with an average humidity of 91%. Winds will be 6 mph from the SE.