Weak toFighting ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	48.2
Pheromosa	BugFighting	Low KickFocus Blast	44.1
Terrakion	RockFighting	Double KickSacred SwordLegacy	43.9
Blaziken	FireFighting	CounterAura Sphere	43.6
Kartana	GrassSteel	Fury CutterSacred Sword	41.6
Conkeldurr	Fighting	Force PalmFocus Blast	40.2
Keldeo	WaterFighting	Low KickSacred Sword	39.8
Breloom	GrassFighting	Force PalmDynamic Punch	39.7
Urshifu	Fighting	CounterDynamic Punch	39.4
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	39.1
Marshadow	FightingGhost	CounterClose Combat	38.5
Mewtwo	Psychic	CounterFocus BlastLegacy	38.3

Overcast boosts the Fighting attacks above. Partly cloudy boosts Gumshoos.

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

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

Questions people ask

What is Gumshoos weak to in Pokémon GO?

Gumshoos takes 1.6 times from Fighting.

What's the best counter to Gumshoos?

Lucario with Force Palm and Aura Sphere, worth 48.2 damage per second against Gumshoos's own defense. The full ranking is above.