Weak toRockBugGhostSteelFireDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	43.8
Reshiram	DragonFire	Fire FangFusion FlareLegacy	36.4
Pheromosa	BugFighting	Bug BiteBug Buzz	34.1
Metagross	SteelPsychic	Fury CutterMeteor MashLegacy	33.8
Chandelure	GhostFire	Fire SpinOverheat	33.3
Cinderace	Fire	Fire SpinPyroball	32.9
Volcarona	BugFire	Fire SpinOverheat	32.5
Darmanitan	Fire	Fire FangOverheat	32.4
Darkrai	Dark	SnarlShadow Ball	31.8
Tinkaton	FairySteel	Fairy WindGigaton HammerLegacy	31.6
Gengar	GhostPoison	LickShadow BallLegacy	31.6
Glimmora	RockPoison	Rock ThrowMeteor Beam	31.5

Clear boosts the Fire attacks above. Snow and Windy boost Jynx.

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

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

Questions people ask

What is Jynx weak to in Pokémon GO?

Jynx takes 1.6 times from Rock, Bug, Ghost, Steel, Fire and Dark.

What's the best counter to Jynx?

Blacephalon with Incinerate and Mind Blown, worth 43.8 damage per second against Jynx's own defense. The full ranking is above.