Add Weather, Now Playing and System Stats to Your Mac's Dock
Apple's Dock can't hold widgets, but a Moor dock can. Press Control-Option-E, choose Add in the toolbar, and pick Weather, Now Playing, Battery, CPU & Memory, Network or Disk. Drag each one into place and press Done. Weather asks for a city or your location. Now Playing asks once for permission to control Music or Spotify. Moor's documentation doesn't list a key or setup for the system widgets. Click any widget for its details.