10-Day Weather Forecast - Napa, CA

Patchy fog in the morning. Showers likely in the morning. A chance of thunderstorms. Showers in the afternoon. Some thunderstorms may produce small hail. Highs in the 50s to mid 60s. Southeast winds 5 to 10 mph. . . Becoming southwest 5 to 15 mph in the afternoon.

Rain likely in the evening then a chance of rain after midnight. Patchy fog after midnight. Lows in the 40s to lower 50s. Southwest winds 5 to 15 mph.

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. A chance of rain in the morning then a slight chance of rain in the afternoon. Highs in the 50s to upper 60s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.

Mostly clear except patchy fog after midnight. Lows in the 30s to upper 40s. West winds 5 to 10 mph.

Partly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s.

Partly cloudy. Lows in the 40s to lower 50s. Highs in the 60s to mid 70s.

Partly cloudy. Lows in the 40s to lower 50s. Highs in the 60s to mid 70s.

Partly cloudy. Lows in the 40s to lower 50s. Highs in the 60s to mid 70s.

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

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to mid 50s.

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

Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the mid 60s to lower 70s.

Partly cloudy. Lows in the mid 40s to lower 50s. Highs in the mid 60s to lower 70s.

Partly cloudy. Low temperature around 47F. Dew point will be around 46F with an average humidity of 81%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 65F. Dew point will be around 47F with an average humidity of 63%. Winds will be 4 mph from the W.

Clear. Low temperature around 47F. Dew point will be around 48F with an average humidity of 83%. Winds will be 4 mph from the W.

Sunny. High temperature around 67F. Dew point will be around 48F with an average humidity of 64%. Winds will be 4 mph from the W.

Clear. Low temperature around 47F. Dew point will be around 48F with an average humidity of 83%. Winds will be 5 mph from the SW.