Gaucho Software ( has introduced Seasonality Core 2.1, the latest version of the weather app for Mac OS X. The new version includes changes to improve the user experience and make the app easier to use.

Seasonality Core offers seven-day forecasts to graphs, so you can picture how the weather is expected to change hour by hour. Graphs are available for liquid precipitation, snowfall, cloud cover, and even wave height in supported locations.

Seasonality Core gathers data from the U.S. National Weather Service as well as Gaucho Software’s own weather servers. The results are custom radar and satellite imagery, international forecast data, and location data for thousands of users around the globe.

Seasonality Core requires Mac OS X 10.6 or later and is available at the Mac App Store for US$24.99.  Existing Seasonality users can upgrade for free.