Well, the new Pixel 2 Launcher Mod enables Google now and weather without installing as a system app, it also enables notification badges (Android O feature) for Nougat. The developer "paphonb" has also added few interesting custom features to the launcher.
The APK weighs in at around 2.53 MB and can be downloaded from the below link. Note that you can access the Google Feed from the leftmost screen.
Recently Google updated its Wallpaper Application with Pixel 2 wallpaper and other interesting categories. Google Wallpaper will be the best complement for Pixel 2 launcher.
Direct Download: Pixel 2 Launcher (XDA)