The Met Éireann WDB API outputs a detailed point forecast in XML format for a coordinate point as defined by the user.

Data is output in (i) 1-hour intervals out to 90 hours, (ii) three-hour intervals from 90h to 144 hours, and (iii) six-hour intervals from 144 hours out to 240 hours.

Further details can be found here: https://www.met.ie/Open_Data/Notes-on-API-XML-file_V6.odt

The API XML Scheme is available at https://www.met.ie/Open_Data/weatherapi-0.4.xsd

The meteorological parameters for each timestep are as follows: Timing, Location, Temperature, Wind Direction and speed, Humidity, Pressure, Cloud, Dewpoint, Temperature, Precipitation, Weather symbol

This API provides the data used by the point forecasts on Met Éireann's main website and mobile apps.