Weak toGround ×2.56FightingWater ×1.6

Attacker	Type	Moveset	DPS
Groudon	Ground	Mud ShotPrecipice BladesLegacy	36.5
Excadrill	GroundSteel	Mud SlapEarthquake	34.6
Mamoswine	IceGround	Mud SlapHigh Horsepower	34.0
Rhyperior	GroundRock	Mud SlapEarthquake	32.8
Garchomp	DragonGround	Mud ShotEarthquake	32.5
Landorus	GroundFlying	Mud ShotEarth Power	32.3
Krookodile	GroundDark	Mud SlapEarthquake	31.3
Golurk	GroundGhost	Mud SlapEarth Power	29.8
Golem	RockGround	Mud SlapEarthquake	29.0
Torterra	GrassGround	Mud SlapEarthquake	27.8
Flygon	GroundDragon	Sand AttackEarthquake	27.4
Sandaconda	Ground	Mud SlapEarth Power	27.3

Clear boosts the Ground attacks above. Clear and Snow boost Heatran.

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

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

Questions people ask

What is Heatran weak to in Pokémon GO?

Heatran takes 2.56 times damage from Ground, and 1.6 times from Fighting and Water.

What's the best counter to Heatran?

Groudon with Mud Shot and Precipice Blades, worth 36.5 damage per second against Heatran's own defense. The full ranking is above.