Task: Send daily weather updates via push notification

n8n workflow:
{"id":"91","name":"Send daily weather updates via a push notification","nodes":[{"name":"Pushover","type":"n8n-nodes-base.pushover","position":[970,300],"parameters":{"message":"=Hey! The temperature outside is {{$node[\"OpenWeatherMap\"].json[\"main\"][\"temp\"]}}°C.","userKey":"","priority":0,"additionalFields":{"title":"Today's Weather"}},"credentials":{"pushoverApi":"pushover"},"typeVersion":1},{"name":"Cron","type":"n8n-nodes-base.cron","position":[570,300],"parameters":{"triggerTimes":{"item":[{"hour":9}]}},"typeVersion":1},{"name":"OpenWeatherMap","type":"n8n-nodes-base.openWeatherMap","position":[770,300],"parameters":{"cityName":"berlin"},"credentials":{"openWeatherMapApi":"owm"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Cron":{"main":[[{"node":"OpenWeatherMap","type":"main","index":0}]]},"OpenWeatherMap":{"main":[[{"node":"Pushover","type":"main","index":0}]]}}}