Weak toGroundGhostFireDark ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	47.2
Reshiram	DragonFire	Fire FangFusion FlareLegacy	39.2
Chandelure	GhostFire	Fire SpinOverheat	35.9
Cinderace	Fire	Fire SpinPyroball	35.4
Volcarona	BugFire	Fire SpinOverheat	35.0
Darmanitan	Fire	Fire FangOverheat	34.9
Darkrai	Dark	SnarlShadow Ball	34.3
Gengar	GhostPoison	LickShadow BallLegacy	34.0
Blaziken	FireFighting	Fire SpinBlast BurnLegacy	33.7
Groudon	Ground	Mud ShotPrecipice BladesLegacy	33.7
Moltres	FireFlying	Fire SpinOverheat	33.4
Absol	Dark	SnarlBrutal SwingLegacy	33.3

Clear boosts the Fire attacks above. Fog and Snow boost Honedge.

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

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

Questions people ask

What is Honedge weak to in Pokémon GO?

Honedge takes 1.6 times from Ground, Ghost, Fire and Dark.

What's the best counter to Honedge?

Blacephalon with Incinerate and Mind Blown, worth 47.2 damage per second against Honedge's own defense. The full ranking is above.