Thanks a lot for that binding. 
I think I’ve found one issue, though: I’ve set the refresh interval to 10 minutes, but still do only get values every 60 minutes:
2018-06-17 10:43:52.746 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 5.1 m/s to 5.7 m/s
2018-06-17 11:43:58.611 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 5.7 m/s to 5.1 m/s
2018-06-17 12:44:01.313 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 5.1 m/s to 5.7 m/s
2018-06-17 13:44:04.043 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 5.7 m/s to 5.1 m/s
2018-06-17 14:44:07.044 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 5.1 m/s to 4.6 m/s
2018-06-17 15:44:11.814 [vent.ItemStateChangedEvent] - owmCurrentWind changed from 4.6 m/s to 5.1 m/s
Thing is set via PaperUI:
"openweathermap:weather-api:api": {
"class": "org.eclipse.smarthome.core.thing.internal.BridgeImpl",
"value": {
"label": "OpenWeatherMap API",
"channels": [],
"configuration": {
"properties": {
"apikey": "yxyxyxyxyxyxyxyx",
"refreshInterval": 10,
"language": "de",
"hourlyForecast": true,
"dailyForecast": false
}