Weak toFighting ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	64.3
Pheromosa	BugFighting	Low KickFocus Blast	58.8
Terrakion	RockFighting	Double KickSacred SwordLegacy	58.6
Blaziken	FireFighting	CounterAura Sphere	58.1
Kartana	GrassSteel	Fury CutterSacred Sword	55.5
Conkeldurr	Fighting	Force PalmFocus Blast	53.6
Keldeo	WaterFighting	Low KickSacred Sword	53.1
Breloom	GrassFighting	Force PalmDynamic Punch	52.9
Urshifu	Fighting	CounterDynamic Punch	52.5
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	52.2
Marshadow	FightingGhost	CounterClose Combat	51.3
Mewtwo	Psychic	CounterFocus BlastLegacy	51.1

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

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

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

Questions people ask

What is Loudred weak to in Pokémon GO?

Loudred takes 1.6 times from Fighting.

What's the best counter to Loudred?

Lucario with Force Palm and Aura Sphere, worth 64.3 damage per second against Loudred's own defense. The full ranking is above.