Weak toFlyingRockFire ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	70.0
Reshiram	DragonFire	Fire FangFusion FlareLegacy	58.1
Salamence	DragonFlying	Fire FangFly	53.6
Chandelure	GhostFire	Fire SpinOverheat	53.2
Moltres	FireFlying	Fire SpinFly	52.7
Cinderace	Fire	Fire SpinPyroball	52.5
Enamorus	FairyFlying	Fairy WindFly	52.2
Volcarona	BugFire	Fire SpinOverheat	51.9
Darmanitan	Fire	Fire FangOverheat	51.7
Yveltal	DarkFlying	GustOblivion WingLegacy	51.5
Toucannon	NormalFlying	PeckBeak BlastLegacy	51.0
Glimmora	RockPoison	Rock ThrowMeteor Beam	50.3

Clear boosts the Fire attacks above. Rainy boosts Spewpa.

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

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

Questions people ask

What is Spewpa weak to in Pokémon GO?

Spewpa takes 1.6 times from Flying, Rock and Fire.

What's the best counter to Spewpa?

Blacephalon with Incinerate and Mind Blown, worth 70.0 damage per second against Spewpa's own defense. The full ranking is above.