Weather Forecast and Radar for Napa, California

Weather in Napa, CA

Napa, California is known for its mild weather year-round. The average temperature in the winter months (December-February) is usually in the high 40s to mid 50s Fahrenheit during the day, and the low temperatures can dip into the 30s Fahrenheit at night. During the spring months (March-May), the temperature rises and averages in the mid 60s to mid 70s Fahrenheit during the day, and low temperatures can drop into the low 50s Fahrenheit at night. During the summer months (June-August), the temperature is usually in the mid 70s to mid 80s Fahrenheit during the day, and the low temperatures can dip into the low 60s Fahrenheit at night. During the autumn months (September-November), the temperature usually averages in the mid 60s to mid 70s Fahrenheit during the day, and the low temperatures can drop into the mid 50s Fahrenheit at night.

Fast Facts About Napa, CA

As of 2020, the city population is 85372.

Major Cities Nearby Napa, CA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Napa, California.