Weak toWaterGrassIce ×1.6

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	28.7
Inteleon	Water	Water GunHydro CannonLegacy	25.8
Kyogre	Water	WaterfallOrigin PulseLegacy	25.7
Roserade	GrassPoison	Magical LeafLeaf Storm	24.4
Kingler	Water	BubbleCrabhammer	24.4
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	24.3
Zarude	DarkGrass	Vine WhipPower Whip	23.9
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	23.8
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	23.7
Quaquaval	WaterFighting	Water GunHydro CannonLegacy	23.4
Breloom	GrassFighting	Force PalmGrass KnotLegacy	23.2
Chien-Pao	DarkIce	Powder SnowAvalanche	23.1

Rainy boosts the Water attacks above. Clear boosts Hippowdon.

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

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

Questions people ask

What is Hippowdon weak to in Pokémon GO?

Hippowdon takes 1.6 times from Water, Grass and Ice.

What's the best counter to Hippowdon?

Kartana with Razor Leaf and Leaf Blade, worth 28.7 damage per second against Hippowdon's own defense. The full ranking is above.