Weak toRockGhostElectricIceDark ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	21.2
Zeraora	Electric	Volt SwitchPlasma Fists	18.2
Blacephalon	FireGhost	AstonishShadow Ball	18.1
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	17.8
Xurkitree	Electric	Thunder ShockDischarge	17.6
Chien-Pao	DarkIce	SnarlBlizzard	16.4
Darkrai	Dark	SnarlShadow Ball	16.3
Chandelure	GhostFire	HexShadow Ball	16.1
Gengar	GhostPoison	LickShadow BallLegacy	16.1
Glimmora	RockPoison	Rock ThrowMeteor Beam	16.1
Rampardos	Rock	Smack DownRock Slide	15.9
Absol	Dark	SnarlBrutal SwingLegacy	15.8

Rainy boosts the Electric attacks above. Windy boosts Lugia.

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

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

Questions people ask

What is Lugia weak to in Pokémon GO?

Lugia takes 1.6 times from Rock, Ghost, Electric, Ice and Dark.

What's the best counter to Lugia?

Regieleki with Lock On and Thunder Cage, worth 21.2 damage per second against Lugia's own defense. The full ranking is above.