Netatmo is offering 20% off for Father's Day when using code FATHER. Seems to be valid on all prodcuts. I'm having trouble getting the code to work on the desktop site, but was able to successfully use it on the mobile site. The desktop site keeps reverting to the EU site, where the code may not be valid, not sure.
The wind gauge also included the 'support/mount' for free. Not sure if this was always the case.