Weak toRock ×2.56FlyingFireElectricIce ×1.6

Attacker	Type	Moveset	DPS
Glimmora	RockPoison	Rock ThrowMeteor Beam	74.0
Rampardos	Rock	Smack DownRock Slide	73.3
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	68.6
Gigalith	Rock	Lock OnMeteor BeamLegacy	68.6
Rhyperior	GroundRock	Smack DownRock WreckerLegacy	66.3
Terrakion	RockFighting	Smack DownRock Slide	65.1
Blacephalon	FireGhost	IncinerateMind BlownLegacy	64.4
Tyranitar	RockDark	Smack DownStone EdgeLegacy	62.6
Regieleki	Electric	Lock OnThunder CageLegacy	61.0
Lycanroc	Rock	Rock ThrowStone Edge	59.6
Aggron	SteelRock	Smack DownMeteor Beam	57.9
Aerodactyl	RockFlying	Rock ThrowRock Slide	57.3

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

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

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

Questions people ask

What is Beautifly weak to in Pokémon GO?

Beautifly takes 2.56 times damage from Rock, and 1.6 times from Flying, Fire, Electric and Ice.

What's the best counter to Beautifly?

Glimmora with Rock Throw and Meteor Beam, worth 74.0 damage per second against Beautifly's own defense. The full ranking is above.