Task: Get information about the weather for any city

n8n workflow JSON:
{"nodes":[{"name":"Set","type":"n8n-nodes-base.set","position":[870,300],"parameters":{"values":{"string":[{"name":"tempC","value":"={{$json[\"main\"][\"temp\"]}}"},{"name":"humidity","value":"={{$json[\"main\"][\"humidity\"]}}"},{"name":"windspeed","value":"={{$json[\"wind\"][\"speed\"]}}"},{"name":"description","value":"={{$json[\"weather\"][0][\"description\"]}}"},{"name":"city","value":"={{$json[\"name\"]}}, {{$json[\"sys\"][\"country\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"OpenWeatherMap","type":"n8n-nodes-base.openWeatherMap","position":[650,300],"parameters":{"cityName":"={{$json[\"body\"][\"city\"]}}"},"credentials":{"openWeatherMapApi":"open-weather-map"},"typeVersion":1},{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[450,300],"webhookId":"39f1b81f-f538-4b94-8788-29180d5e4016","parameters":{"path":"39f1b81f-f538-4b94-8788-29180d5e4016","options":{},"responseData":"allEntries","responseMode":"lastNode"},"typeVersion":1}],"connections":{"Webhook":{"main":[[{"node":"OpenWeatherMap","type":"main","index":0}]]},"OpenWeatherMap":{"main":[[{"node":"Set","type":"main","index":0}]]}}}