Weak toIceDragonFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	61.7
Baxcalibur	DragonIce	Ice FangGlaive RushLegacy	47.7
Rayquaza	DragonFlying	Dragon TailBreaking SwipeLegacy	45.3
Haxorus	Dragon	Dragon TailBreaking SwipeLegacy	45.3
Palkia	WaterDragon	Dragon TailDraco Meteor	45.3
Salamence	DragonFlying	Dragon TailDraco Meteor	44.8
Dragonite	DragonFlying	Dragon TailDraco MeteorLegacy	42.7
Dragapult	DragonGhost	Dragon TailBreaking Swipe	42.6
Garchomp	DragonGround	Dragon TailBreaking Swipe	41.8
Reshiram	DragonFire	Dragon BreathDraco Meteor	41.1
Dialga	SteelDragon	Dragon BreathDraco Meteor	41.1
Enamorus	FairyFlying	Fairy WindDazzling Gleam	41.0

Windy boosts the Dragon attacks above. Windy boosts Goomy.

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

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

Questions people ask

What is Goomy weak to in Pokémon GO?

Goomy takes 1.6 times from Ice, Dragon and Fairy.

What's the best counter to Goomy?

Eternatus with Dragon Tail and Dynamax Cannon, worth 61.7 damage per second against Goomy's own defense. The full ranking is above.