No I think Pale Rider has a totally different feel than a typical SW
It has much more of Eastwood's own down-to-earth realistic style
Only the "lone avenger rides into town-plot" is something that resembles the SWs
High Plains Drifter is more in the style of a true spaghetti western
EDIT: Of course Unforgiven also has this realistic style, and is one of Eastwood's best own films.