Weak toGrassElectric ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	71.1
Zeraora	Electric	Volt SwitchPlasma Fists	61.0
Kartana	GrassSteel	Razor LeafLeaf Blade	60.9
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	59.6
Xurkitree	Electric	Thunder ShockDischarge	59.0
Roserade	GrassPoison	Magical LeafLeaf Storm	51.9
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	51.7
Deoxys	Psychic	Charge BeamThunderbolt	51.4
Electivire	Electric	Thunder ShockWild Charge	51.0
Zarude	DarkGrass	Vine WhipPower Whip	50.9
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	50.3
Raikou	Electric	Volt SwitchWild Charge	49.7

Rainy boosts the Electric attacks above. Rainy boosts Poliwag.

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

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

Questions people ask

What is Poliwag weak to in Pokémon GO?

Poliwag takes 1.6 times from Grass and Electric.

What's the best counter to Poliwag?

Regieleki with Lock On and Thunder Cage, worth 71.1 damage per second against Poliwag's own defense. The full ranking is above.