Weak toRockSteelWater ×1.6

Attacker	Type	Moveset	DPS
Metagross	SteelPsychic	Bullet PunchMeteor MashLegacy	25.1
Inteleon	Water	Water GunHydro CannonLegacy	24.7
Kyogre	Water	WaterfallOrigin PulseLegacy	24.6
Tinkaton	FairySteel	Fairy WindGigaton HammerLegacy	24.4
Glimmora	RockPoison	Rock ThrowMeteor Beam	24.3
Rampardos	Rock	Smack DownRock Slide	24.1
Lucario	FightingSteel	Force PalmMeteor MashLegacy	23.8
Kingler	Water	BubbleCrabhammer	23.4
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	23.3
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	22.8
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	22.5
Gigalith	Rock	Lock OnMeteor BeamLegacy	22.5

Rainy boosts the Water attacks above. Partly cloudy and Rainy boost Crustle.

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

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

Questions people ask

What is Crustle weak to in Pokémon GO?

Crustle takes 1.6 times from Rock, Steel and Water.

What's the best counter to Crustle?

Metagross with Bullet Punch and Meteor Mash, worth 25.1 damage per second against Crustle's own defense. The full ranking is above.