Works great on my HD3. Nicely done!
Do you think you could add a view where you can squeeze the three pages of 8 hour segments onto a single page? Taking a screenshot of the weather to have as the sleep/off wallpapers would be really useful. Maybe even add the functionality of setting as a wallpaper into the menu?
Is it feasible to add touch control (swipe between pages) and a scheduled auto-refresh? And perhaps the option of storing a few favourite weather locations?