Weak toFlyingRockFire ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	71.3
Reshiram	DragonFire	Fire FangFusion FlareLegacy	59.2
Salamence	DragonFlying	Fire FangFly	54.6
Chandelure	GhostFire	Fire SpinOverheat	54.2
Moltres	FireFlying	Fire SpinFly	53.8
Cinderace	Fire	Fire SpinPyroball	53.5
Enamorus	FairyFlying	Fairy WindFly	53.2
Volcarona	BugFire	Fire SpinOverheat	52.9
Darmanitan	Fire	Fire FangOverheat	52.7
Yveltal	DarkFlying	GustOblivion WingLegacy	52.5
Toucannon	NormalFlying	PeckBeak BlastLegacy	52.0
Glimmora	RockPoison	Rock ThrowMeteor Beam	51.2

Clear boosts the Fire attacks above. Rainy boosts Karrablast.

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

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

Questions people ask

What is Karrablast weak to in Pokémon GO?

Karrablast takes 1.6 times from Flying, Rock and Fire.

What's the best counter to Karrablast?

Blacephalon with Incinerate and Mind Blown, worth 71.3 damage per second against Karrablast's own defense. The full ranking is above.