Our website provides a free download of iPlane Weather 0.9 for Mac. The program is included in Lifestyle Tools.
From the developer:
iPlane Weather is a Metagraphics aeronautic solution for the meteo folder creation. It helps you check the real time METAR and TAF for every meteo station in the world, add to your virtual folder and print it.
You may want to check out more Mac applications, such as Weather+, The Weather Network or iPlan Tasks - Easy Task Planner, which might be related to iPlane Weather.