Weak toGrassElectric ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	47.9
Zeraora	Electric	Volt SwitchPlasma Fists	41.1
Kartana	GrassSteel	Razor LeafLeaf Blade	41.0
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	40.2
Xurkitree	Electric	Thunder ShockDischarge	39.7
Roserade	GrassPoison	Magical LeafLeaf Storm	34.9
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	34.8
Deoxys	Psychic	Charge BeamThunderbolt	34.6
Electivire	Electric	Thunder ShockWild Charge	34.4
Zarude	DarkGrass	Vine WhipPower Whip	34.3
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	33.9
Raikou	Electric	Volt SwitchWild Charge	33.5

Rainy boosts the Electric attacks above. Rainy boosts Basculin.

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

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

Questions people ask

What is Basculin weak to in Pokémon GO?

Basculin takes 1.6 times from Grass and Electric.

What's the best counter to Basculin?

Regieleki with Lock On and Thunder Cage, worth 47.9 damage per second against Basculin's own defense. The full ranking is above.