Weak toBug ×2.56FightingFlyingPoisonFireIceFairy ×1.6

Attacker	Type	Moveset	DPS
Pheromosa	BugFighting	Bug BiteBug Buzz	66.6
Volcarona	BugFire	Bug BiteBug Buzz	56.2
Kartana	GrassSteel	Fury CutterX Scissor	54.9
Blacephalon	FireGhost	IncinerateMind BlownLegacy	53.5
Heracross	BugFighting	Fury CutterMegahorn	52.8
Kleavor	BugRock	Fury CutterX Scissor	52.2
Genesect	BugSteel	Fury CutterX Scissor	52.1
Vikavolt	BugElectric	Bug BiteX Scissor	51.8
Yanmega	BugFlying	Bug BiteBug Buzz	49.5
Pinsir	Bug	Fury CutterX Scissor	49.3
Frosmoth	IceBug	Bug BiteBug Buzz	49.3
Escavalier	BugSteel	Bug BiteMegahorn	49.0

Rainy boosts the Bug attacks above. Clear and Fog boost Shiftry.

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

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

Questions people ask

What is Shiftry weak to in Pokémon GO?

Shiftry takes 2.56 times damage from Bug, and 1.6 times from Fighting, Flying, Poison, Fire, Ice and Fairy.

What's the best counter to Shiftry?

Pheromosa with Bug Bite and Bug Buzz, worth 66.6 damage per second against Shiftry's own defense. The full ranking is above.