Monday's snowstorm limits the competition to three of the eight teams in the conference.
Westbrook collects its first league championship since 1982, while Scarborough extends its reign to eight years.
The Capers get two wins from a freshman and use depth in the relays to edge Greely and reclaim the North Southwesterns title.
The Raiders end their regular season with a 40-27 win over Cape Elizabeth.
QB Austin McCrum will play for Lafayette while linebacker Owen Elliott is heading to UMaine.