Weak toRockIce ×1.6

Attacker	Type	Moveset	DPS
Glimmora	RockPoison	Rock ThrowMeteor Beam	26.1
Rampardos	Rock	Smack DownRock Slide	25.9
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	25.1
Gigalith	Rock	Lock OnMeteor BeamLegacy	24.9
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	24.2
Chien-Pao	DarkIce	Powder SnowAvalanche	23.9
Baxcalibur	DragonIce	Ice FangAvalanche	23.8
Rhyperior	GroundRock	Smack DownRock WreckerLegacy	23.4
Regigigas	Normal	Hidden PowerCrush GripLegacy	23.4
Terrakion	RockFighting	Smack DownRock Slide	23.0
Blacephalon	FireGhost	IncinerateMind BlownLegacy	22.7
Mamoswine	IceGround	Powder SnowAvalanche	22.6

Partly cloudy boosts the Rock attacks above. Rainy and Windy boost Zapdos.

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

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

Questions people ask

What is Zapdos weak to in Pokémon GO?

Zapdos takes 1.6 times from Rock and Ice.

What's the best counter to Zapdos?

Glimmora with Rock Throw and Meteor Beam, worth 26.1 damage per second against Zapdos's own defense. The full ranking is above.