Import all dependencies
Setup PostgreSQL > Create a DB named: WeatherDB
Install airflow
Start airflow: airflow webserver -p 8080
airflow scheduler
Open http://0.0.0.0:8080/admin/
Test task: airflow test weatherDag get_weather 2019-05-26 airflow backfill weatherDag -s 2019-05-26 -e 2019-05-27
airflow clear <dag_id>