» BBC Weather Centre - Country Guides: Germany
Provides climate and weather information, facts and statistics about the country, along with five-day forecasts for major cities.
» DWD
Deutscher Wetterdienst. German federal meterological service. Information about services, weather and climate, the service itself and its infrastructure.
http://www.dwd.de/
» NOAA NWS - Germany Weather
US government site provides hour-by-hour weather conditions for the past 24 hours for major cities and locations in the country.
http://weather.noaa.gov/weather/DE_cc.html
» Weather Underground - Germany
Displays current conditions for all major cities on one page, with five-day forecast and more detailed information for each available.