Weak toPoison ×2.56FlyingSteelFireIce ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Poison JabSludge Bomb	48.0
Naganadel	PoisonDragon	Poison JabSludge Bomb	45.5
Nihilego	RockPoison	Poison JabSludge Bomb	43.2
Roserade	GrassPoison	Poison JabSludge Bomb	42.3
Munkidori	PoisonPsychic	Poison JabSludge Bomb	41.5
Revavroom	SteelPoison	Poison JabGunk Shot	39.8
Blacephalon	FireGhost	IncinerateMind BlownLegacy	39.8
Overqwil	DarkPoison	Poison JabSludge Bomb	38.8
Okidogi	PoisonFighting	Poison JabSludge Bomb	38.5
Toxicroak	PoisonFighting	Poison JabSludge Bomb	37.0
Salazzle	PoisonFire	Poison JabSludge Wave	36.0
Scolipede	BugPoison	Poison JabSludge Bomb	35.7

Overcast boosts the Poison attacks above. Clear and Overcast boost Shiinotic.

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

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

Questions people ask

What is Shiinotic weak to in Pokémon GO?

Shiinotic takes 2.56 times damage from Poison, and 1.6 times from Flying, Steel, Fire and Ice.

What's the best counter to Shiinotic?

Eternatus with Poison Jab and Sludge Bomb, worth 48.0 damage per second against Shiinotic's own defense. The full ranking is above.