Weak toFlyingRockFire ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	53.1
Reshiram	DragonFire	Fire FangFusion FlareLegacy	44.1
Salamence	DragonFlying	Fire FangFly	40.7
Chandelure	GhostFire	Fire SpinOverheat	40.4
Moltres	FireFlying	Fire SpinFly	40.0
Cinderace	Fire	Fire SpinPyroball	39.8
Enamorus	FairyFlying	Fairy WindFly	39.6
Volcarona	BugFire	Fire SpinOverheat	39.4
Darmanitan	Fire	Fire FangOverheat	39.2
Yveltal	DarkFlying	GustOblivion WingLegacy	39.1
Toucannon	NormalFlying	PeckBeak BlastLegacy	38.8
Glimmora	RockPoison	Rock ThrowMeteor Beam	38.1

Clear boosts the Fire attacks above. Rainy boosts Pineco.

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

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

Questions people ask

What is Pineco weak to in Pokémon GO?

Pineco takes 1.6 times from Flying, Rock and Fire.

What's the best counter to Pineco?

Blacephalon with Incinerate and Mind Blown, worth 53.1 damage per second against Pineco's own defense. The full ranking is above.