Weak toGrass ×2.56

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	63.8
Roserade	GrassPoison	Magical LeafLeaf Storm	54.4
Zarude	DarkGrass	Vine WhipPower Whip	53.3
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	52.7
Meowscarada	GrassDark	LeafageFrenzy PlantLegacy	51.5
Decidueye	GrassGhost	Magical LeafFrenzy PlantLegacy	50.7
Tapu Bulu	GrassFairy	Bullet SeedGrass Knot	50.5
Tsareena	Grass	Magical LeafGrass Knot	49.8
Sceptile	Grass	Bullet SeedFrenzy PlantLegacy	49.4
Ogerpon	Grass	Magical LeafGrass Knot	49.2
Breloom	GrassFighting	Bullet SeedGrass KnotLegacy	49.0
Xurkitree	Electric	Thunder ShockPower Whip	48.3

Clear boosts the Grass attacks above. Clear and Rainy boost Marshtomp.

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

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

Questions people ask

What is Marshtomp weak to in Pokémon GO?

Marshtomp takes 2.56 times damage from Grass.

What's the best counter to Marshtomp?

Kartana with Razor Leaf and Leaf Blade, worth 63.8 damage per second against Marshtomp's own defense. The full ranking is above.