It will measure altitude, wind speed, humidity, barometric pressure, density altitude, dew point, wind chill, heat index and several other even more esoteric things.
Dude, I hear what you are saying. I'm a victim of cheap cell phone Internet web pages. I use the "radar" function on my itty-bitty screen to try and figure my chances of making it through a thundershower.
I doubt you gizmo would give me much useful info, but i wish i could have a few more square inched of screen for radar weather maps.