Task: Send daily weather updates via a message using the Gotify node

n8n workflow:
{"id":"115","name":"Send daily weather updates via a message using the Gotify node","nodes":[{"name":"Cron","type":"n8n-nodes-base.cron","position":[490,340],"parameters":{"triggerTimes":{"item":[{"hour":9}]}},"typeVersion":1},{"name":"OpenWeatherMap","type":"n8n-nodes-base.openWeatherMap","position":[690,340],"parameters":{"cityName":"berlin"},"credentials":{"openWeatherMapApi":"owm"},"typeVersion":1},{"name":"Gotify","type":"n8n-nodes-base.gotify","position":[890,340],"parameters":{"message":"=Hey! The temperature outside is {{$node[\"OpenWeatherMap\"].json[\"main\"][\"temp\"]}}°C.","additionalFields":{"title":"Today's Weather Update"}},"credentials":{"gotifyApi":"gotify-credentials"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Cron":{"main":[[{"node":"OpenWeatherMap","type":"main","index":0}]]},"OpenWeatherMap":{"main":[[{"node":"Gotify","type":"main","index":0}]]}}}