Welcome to the Arizona State Climate Office
The primary goal of the Arizona State Climate Office is to provide information regarding the state’s climate in support of operational, educational, planning, and research endeavors.
The various pages provide an introduction to the office, weather and climate data and information for Arizona and the southwestern United States, and guidelines for requesting additional information or data.
There are many excellent sources for climate information associated with the State of Arizona and the southwestern United States.If you cannot find what you are looking for here, we have suggested other sources as promising alternatives. Or, please contact us to request other Arizona climate information.
Possible significant weather for today – Phoenix – with links to nearby NWS stations.
Possible significant weather for today – Nationwide.
Arizona Climate Summaries
At the end of each month, the weather for that month is summarized in a publication that includes a narrative of the weather events across the state, graphs and maps including temperature, precipitation, dew point, and winds, as well as more specific data for Flagstaff, Phoenix and Tucson.
Join the citizen scientist precipitation network in Arizona. Measure precipitation in your own yard, report your values at the CoCoRaHS website. Click on the logo for more information.