Energy Plus Weather - SCU-Smart-Grid-CPS/smart-grid-energy-simulation-research GitHub Wiki

Weather files end in extension .epw

Existing Weather Data

Official weather data: https://energyplus.net/weather

More up-to-date weather data with more specific locations from the organization that invented .epw files: http://climate.onebuilding.org/
Shortcut to CA data: http://climate.onebuilding.org/WMO_Region_4_North_and_Central_America/USA_United_States_of_America/index.html#IDCA_California-
The files that end in TMYx.2004-2018.zip are the most recent we have been able to find on the web.

Automatically Updating Weather Data

See MesoWest Data to EnergyPlus Weather File Documentation

Manually Updating Weather Data

Find an hourly weather source such as https://www.wunderground.com/history
Make sure to select hourly and change to Celsius!

Then open the closest .epw and change the following lines according to the key below. Change all of the items in bright colors, leave gray ones as is.