Weak toFlying ×2.56FirePsychicFairy ×1.6

Attacker	Type	Moveset	DPS
Enamorus	FairyFlying	Fairy WindFly	44.8
Yveltal	DarkFlying	GustOblivion WingLegacy	44.2
Toucannon	NormalFlying	PeckBeak BlastLegacy	43.8
Moltres	FireFlying	Wing AttackFly	43.6
Staraptor	NormalFlying	GustFlyLegacy	43.0
Rayquaza	DragonFlying	Air SlashHurricaneLegacy	40.2
Honchkrow	DarkFlying	PeckBrave Bird	39.1
Braviary	NormalFlying	Air SlashFly	39.1
Salamence	DragonFlying	Fire FangFly	39.0
Flamigo	FlyingFighting	Wing AttackBrave Bird	38.2
Tornadus	Flying	Air SlashHurricane	37.8
Blacephalon	FireGhost	IncinerateMind BlownLegacy	37.5

Windy boosts the Flying attacks above. Overcast and Rainy boost Heracross.

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

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

Questions people ask

What is Heracross weak to in Pokémon GO?

Heracross takes 2.56 times damage from Flying, and 1.6 times from Fire, Psychic and Fairy.

What's the best counter to Heracross?

Enamorus with Fairy Wind and Fly, worth 44.8 damage per second against Heracross's own defense. The full ranking is above.