Weak toRockGhostElectricIceDark ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	42.8
Zeraora	Electric	Volt SwitchPlasma Fists	36.8
Blacephalon	FireGhost	AstonishShadow Ball	36.5
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	35.9
Xurkitree	Electric	Thunder ShockDischarge	35.5
Chien-Pao	DarkIce	SnarlBlizzard	33.0
Darkrai	Dark	SnarlShadow Ball	32.8
Chandelure	GhostFire	HexShadow Ball	32.6
Gengar	GhostPoison	LickShadow BallLegacy	32.5
Glimmora	RockPoison	Rock ThrowMeteor Beam	32.5
Rampardos	Rock	Smack DownRock Slide	32.2
Absol	Dark	SnarlBrutal SwingLegacy	31.9

Rainy boosts the Electric attacks above. Windy boosts Xatu.

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

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

Questions people ask

What is Xatu weak to in Pokémon GO?

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

What's the best counter to Xatu?

Regieleki with Lock On and Thunder Cage, worth 42.8 damage per second against Xatu's own defense. The full ranking is above.