Weak toFlyingFirePsychicIce ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	46.0
Mewtwo	Psychic	ConfusionPsystrikeLegacy	39.7
Reshiram	DragonFire	Fire FangFusion FlareLegacy	38.2
Salamence	DragonFlying	Fire FangFly	35.3
Chandelure	GhostFire	Fire SpinOverheat	35.0
Moltres	FireFlying	Fire SpinFly	34.7
Cinderace	Fire	Fire SpinPyroball	34.5
Volcarona	BugFire	Fire SpinOverheat	34.1
Darmanitan	Fire	Fire FangOverheat	34.0
Yveltal	DarkFlying	GustOblivion WingLegacy	33.9
Alakazam	Psychic	ConfusionPsychicLegacy	33.9
Toucannon	NormalFlying	PeckBeak BlastLegacy	33.6

Clear boosts the Fire attacks above. Clear and Overcast boost Ivysaur.

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

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

Questions people ask

What is Ivysaur weak to in Pokémon GO?

Ivysaur takes 1.6 times from Flying, Fire, Psychic and Ice.

What's the best counter to Ivysaur?

Blacephalon with Incinerate and Mind Blown, worth 46.0 damage per second against Ivysaur's own defense. The full ranking is above.