Weather Forecast and Radar for Tustin, California

Weather in Tustin, CA

Tustin, California, United States has warm and pleasant weather year-round. In the summer months from June through August, temperatures average in the mid-80s Fahrenheit (27-29°C) during the day, and can get as hot as the low 90s (32-34°C). At night, temperatures can drop to the mid-60s (18-20°C).

In the fall months from September through November, temperatures average in the mid-70s (22-25°C) during the day, and can get as cool as the low 60s (15-17°C). At night, temperatures can drop to the mid-to-high 50s (12-15°C).

In the winter months from December through February, temperatures average in the mid-60s (17-19°C) during the day, and can get as cool as the low 50s (10-12°C). At night, temperatures can drop to the mid-40s (7-9°C).

In the spring months from March through May, temperatures average in the mid-70s (21-23°C) during the day, and can get as warm as the mid-80s (27-29°C). At night, temperatures can drop to the mid-to-high 50s (12-15°C).

Fast Facts About Tustin, CA

As of 2020, the city population is 80815.

Major Cities Nearby Tustin, CA

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