Weak toRockIce ×1.6

Attacker	Type	Moveset	DPS
Glimmora	RockPoison	Rock ThrowMeteor Beam	58.1
Rampardos	Rock	Smack DownRock Slide	57.6
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	55.7
Gigalith	Rock	Lock OnMeteor BeamLegacy	55.2
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	53.9
Chien-Pao	DarkIce	Powder SnowAvalanche	53.0
Baxcalibur	DragonIce	Ice FangAvalanche	52.8
Rhyperior	GroundRock	Smack DownRock WreckerLegacy	52.0
Regigigas	Normal	Hidden PowerCrush GripLegacy	52.0
Terrakion	RockFighting	Smack DownRock Slide	51.1
Blacephalon	FireGhost	IncinerateMind BlownLegacy	50.5
Mamoswine	IceGround	Powder SnowAvalanche	50.3

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

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

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

Questions people ask

What is Wattrel weak to in Pokémon GO?

Wattrel takes 1.6 times from Rock and Ice.

What's the best counter to Wattrel?

Glimmora with Rock Throw and Meteor Beam, worth 58.1 damage per second against Wattrel's own defense. The full ranking is above.