Weak toFightingRockSteelFire ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	30.6
Lucario	FightingSteel	Force PalmAura SphereLegacy	25.9
Reshiram	DragonFire	Fire FangFusion FlareLegacy	25.4
Pheromosa	BugFighting	Low KickFocus Blast	23.7
Terrakion	RockFighting	Double KickSacred SwordLegacy	23.6
Blaziken	FireFighting	CounterAura Sphere	23.4
Chandelure	GhostFire	Fire SpinOverheat	23.2
Cinderace	Fire	Fire SpinPyroball	22.9
Volcarona	BugFire	Fire SpinOverheat	22.7
Metagross	SteelPsychic	Bullet PunchMeteor MashLegacy	22.6
Darmanitan	Fire	Fire FangOverheat	22.6
Kartana	GrassSteel	Fury CutterSacred Sword	22.4

Overcast boosts the Fighting attacks above. Snow boosts Glastrier.

Level 40, 15 attack IV, costed against Glastrier's own defense and typing, one per evolution family.

Glastrier's moveset, CP and shiny All counters Raid board

Questions people ask

What is Glastrier weak to in Pokémon GO?

Glastrier takes 1.6 times from Fighting, Rock, Steel and Fire.

What's the best counter to Glastrier?

Blacephalon with Incinerate and Mind Blown, worth 30.6 damage per second against Glastrier's own defense. The full ranking is above.