Met Éireann Irish National Meteorological Service - provider of weather information and related services for Ireland.
NOAA NWS - Ireland Weather US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country.
Weather @ ireland.com Satellite images, forecast maps and five day forecasts for Ireland.
Weather Underground - Ireland Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available.