Weak toFighting ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	70.1
Pheromosa	BugFighting	Low KickFocus Blast	64.2
Terrakion	RockFighting	Double KickSacred SwordLegacy	63.9
Blaziken	FireFighting	CounterAura Sphere	63.4
Kartana	GrassSteel	Fury CutterSacred Sword	60.5
Conkeldurr	Fighting	Force PalmFocus Blast	58.5
Keldeo	WaterFighting	Low KickSacred Sword	57.9
Breloom	GrassFighting	Force PalmDynamic Punch	57.7
Urshifu	Fighting	CounterDynamic Punch	57.3
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	56.9
Marshadow	FightingGhost	CounterClose Combat	56.0
Mewtwo	Psychic	CounterFocus BlastLegacy	55.8

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

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

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

Questions people ask

What is Sentret weak to in Pokémon GO?

Sentret takes 1.6 times from Fighting.

What's the best counter to Sentret?

Lucario with Force Palm and Aura Sphere, worth 70.1 damage per second against Sentret's own defense. The full ranking is above.