Weak toBugGhostDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	AstonishShadow Ball	41.4
Pheromosa	BugFighting	Bug BiteBug Buzz	39.9
Darkrai	Dark	SnarlShadow Ball	37.2
Chandelure	GhostFire	HexShadow Ball	36.9
Gengar	GhostPoison	LickShadow BallLegacy	36.9
Absol	Dark	SnarlBrutal SwingLegacy	36.1
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	35.3
Dragapult	DragonGhost	AstonishShadow Ball	35.2
Hoopa	PsychicGhost	AstonishShadow Ball	34.6
Lunala	PsychicGhost	Shadow ClawShadow Ball	34.5
Gholdengo	SteelGhost	HexShadow Ball	34.5
Zoroark	Dark	SnarlFoul Play	34.4

Fog boosts the Ghost attacks above. Windy boosts Galarian Ponyta.

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

Galarian Ponyta's moveset, stats and CP All counters Raid board

Questions people ask

What is Galarian Ponyta weak to in Pokémon GO?

Galarian Ponyta takes 1.6 times from Bug, Ghost and Dark.

What's the best counter to Galarian Ponyta?

Blacephalon with Astonish and Shadow Ball, worth 41.4 damage per second against Galarian Ponyta's own defense. The full ranking is above.