What is the altitude of polaris if you live in Ambler PA?

Answer 1

Ambler's latitude is roughly 40.15° north, so when viewed from there, Polaris

is always within about 1/3 degree of the point in the sky that's 40.15° above

the due-north point on the horizon.

Answer 2

The altitude of Polaris, the North Star, is equal to your latitude. Since Ambler, PA is at a latitude of around 40 degrees north, the altitude of Polaris in the night sky would be approximately 40 degrees above the northern horizon.