Weak toGroundIceDragonFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	32.9
Baxcalibur	DragonIce	Ice FangGlaive RushLegacy	25.5
Rayquaza	DragonFlying	Dragon TailBreaking SwipeLegacy	24.2
Haxorus	Dragon	Dragon TailBreaking SwipeLegacy	24.2
Palkia	WaterDragon	Dragon TailDraco Meteor	24.2
Salamence	DragonFlying	Dragon TailDraco Meteor	23.9
Dragonite	DragonFlying	Dragon TailDraco MeteorLegacy	22.8
Dragapult	DragonGhost	Dragon TailBreaking Swipe	22.7
Garchomp	DragonGround	Dragon TailBreaking Swipe	22.3
Reshiram	DragonFire	Dragon BreathDraco Meteor	21.9
Dialga	SteelDragon	Dragon BreathDraco Meteor	21.9
Enamorus	FairyFlying	Fairy WindDazzling Gleam	21.9

Windy boosts the Dragon attacks above. Rainy and Windy boost Miraidon.

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

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

Questions people ask

What is Miraidon weak to in Pokémon GO?

Miraidon takes 1.6 times from Ground, Ice, Dragon and Fairy.

What's the best counter to Miraidon?

Eternatus with Dragon Tail and Dynamax Cannon, worth 32.9 damage per second against Miraidon's own defense. The full ranking is above.