Weak toGhostDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	AstonishShadow Ball	21.8
Darkrai	Dark	SnarlShadow Ball	19.6
Chandelure	GhostFire	HexShadow Ball	19.5
Gengar	GhostPoison	LickShadow BallLegacy	19.5
Absol	Dark	SnarlBrutal SwingLegacy	19.1
Dragapult	DragonGhost	AstonishShadow Ball	18.6
Hoopa	PsychicGhost	AstonishShadow Ball	18.3
Lunala	PsychicGhost	Shadow ClawShadow Ball	18.2
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	18.2
Gholdengo	SteelGhost	HexShadow Ball	18.2
Zoroark	Dark	SnarlFoul Play	18.2
Chi-Yu	DarkFire	SnarlDark Pulse	18.1

Fog boosts the Ghost attacks above. Fog boosts Dusknoir.

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

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

Questions people ask

What is Dusknoir weak to in Pokémon GO?

Dusknoir takes 1.6 times from Ghost and Dark.

What's the best counter to Dusknoir?

Blacephalon with Astonish and Shadow Ball, worth 21.8 damage per second against Dusknoir's own defense. The full ranking is above.