Weak toBugGhostDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	AstonishShadow Ball	42.9
Pheromosa	BugFighting	Bug BiteBug Buzz	41.4
Darkrai	Dark	SnarlShadow Ball	38.6
Chandelure	GhostFire	HexShadow Ball	38.3
Gengar	GhostPoison	LickShadow BallLegacy	38.2
Absol	Dark	SnarlBrutal SwingLegacy	37.5
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	36.6
Dragapult	DragonGhost	AstonishShadow Ball	36.5
Hoopa	PsychicGhost	AstonishShadow Ball	35.9
Lunala	PsychicGhost	Shadow ClawShadow Ball	35.8
Gholdengo	SteelGhost	HexShadow Ball	35.7
Zoroark	Dark	SnarlFoul Play	35.7

Fog boosts the Ghost attacks above. Windy boosts Spoink.

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

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

Questions people ask

What is Spoink weak to in Pokémon GO?

Spoink takes 1.6 times from Bug, Ghost and Dark.

What's the best counter to Spoink?

Blacephalon with Astonish and Shadow Ball, worth 42.9 damage per second against Spoink's own defense. The full ranking is above.