Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE weather (zip_code VARCHAR, mean_visibility_miles INTEGER)

### Question ###
Find the zip code in which the average mean visibility is lower than 10.

### Accurate SQL ###

SELECT zip_code FROM weather GROUP BY zip_code HAVING AVG(mean_visibility_miles) < 10