Weak toFlyingGrassElectricPsychicFairy ×1.6

Attacker	Type	Moveset	DPS
Deoxys	Psychic	Charge BeamPsycho Boost	44.9
Regieleki	Electric	Lock OnThunder CageLegacy	39.6
Mewtwo	Psychic	ConfusionPsystrikeLegacy	36.0
Enamorus	FairyFlying	Fairy WindFly	34.8
Zeraora	Electric	Volt SwitchPlasma Fists	34.0
Kartana	GrassSteel	Razor LeafLeaf Blade	33.9
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	33.2
Xurkitree	Electric	Thunder ShockDischarge	32.9
Tapu Lele	PsychicFairy	ConfusionNatures MadnessLegacy	32.4
Tapu Koko	ElectricFairy	Volt SwitchNatures MadnessLegacy	31.1
Yveltal	DarkFlying	GustOblivion WingLegacy	30.8
Alakazam	Psychic	ConfusionPsychicLegacy	30.8

Rainy boosts the Electric attacks above. Overcast and Rainy boost Quaquaval.

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

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

Questions people ask

What is Quaquaval weak to in Pokémon GO?

Quaquaval takes 1.6 times from Flying, Grass, Electric, Psychic and Fairy.

What's the best counter to Quaquaval?

Deoxys with Charge Beam and Psycho Boost, worth 44.9 damage per second against Quaquaval's own defense. The full ranking is above.