Weak toRockSteelWaterElectricIce ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	39.0
Zeraora	Electric	Volt SwitchPlasma Fists	34.0
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	33.2
Xurkitree	Electric	Thunder ShockDischarge	32.9
Metagross	SteelPsychic	Bullet PunchMeteor MashLegacy	31.0
Inteleon	Water	Water GunHydro CannonLegacy	30.6
Kyogre	Water	WaterfallOrigin PulseLegacy	30.4
Tinkaton	FairySteel	Fairy WindGigaton HammerLegacy	30.1
Glimmora	RockPoison	Rock ThrowMeteor Beam	30.0
Rampardos	Rock	Smack DownRock Slide	29.8
Lucario	FightingSteel	Force PalmMeteor MashLegacy	29.4
Kyurem	DragonIce	Steel WingGlaciateLegacy	29.4

Rainy boosts the Electric attacks above. Partly cloudy and Windy boost Aerodactyl.

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

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

Questions people ask

What is Aerodactyl weak to in Pokémon GO?

Aerodactyl takes 1.6 times from Rock, Steel, Water, Electric and Ice.

What's the best counter to Aerodactyl?

Regieleki with Lock On and Thunder Cage, worth 39.0 damage per second against Aerodactyl's own defense. The full ranking is above.