This is compatible with any gnome-shell 3.0.x

weather@venemo.net/metadata.json

@@ -1 +1 @@
-{"shell-version": ["3.0.1"], "uuid": "weather@venemo.net", "name": "Weather", "description": "Adds weather information next to the clock."}
+{"shell-version": ["3.0"], "uuid": "weather@venemo.net", "name": "Weather", "description": "Adds weather information next to the clock."}