Free access to hourly weather data for any location here https://rokka.shinyapps.io/shinyweatherdata
Now updated with ERA5 (https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels.) global reanalysis climate data from Copernicus/ECMWF. Global coverage and data from 1980 until recent time. Fast access to long time series, formatted as CSV files or EnergyPlus EPW files.
CAMS (http://www.soda-pro.com/web-services/radiation/cams-radiation-service) satellite derived solar radiation data available as well, covering Europe, Africa and Middle East (roughly -66° to 66° in both latitudes and longitudes).
