You can use the Make NetCDF Raster Layer, Make NetCDF Feature Layer, and Make NetCDF Table View tools from the NetCDF toolset in the Multidimension Tools toolbox to create a raster layer, feature layer, and table view, respectively, from a netCDF file.
You can add a classic netCDF raster layer using the Multidimensional Raster Layer 
in the drop-down list of the Add Data button 
. For more details, please refer to Working with a multidimensional raster layer.