Weak toBugGhostIceDragonDarkFairy ×1.6

Attacker	Type	Moveset	DPS
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	34.5
Baxcalibur	DragonIce	Ice FangGlaive RushLegacy	26.7
Blacephalon	FireGhost	AstonishShadow Ball	25.9
Rayquaza	DragonFlying	Dragon TailBreaking SwipeLegacy	25.4
Haxorus	Dragon	Dragon TailBreaking SwipeLegacy	25.4
Palkia	WaterDragon	Dragon TailDraco Meteor	25.3
Salamence	DragonFlying	Dragon TailDraco Meteor	25.1
Pheromosa	BugFighting	Bug BiteBug Buzz	24.9
Dragapult	DragonGhost	Dragon TailShadow Ball	24.1
Dragonite	DragonFlying	Dragon TailDraco MeteorLegacy	23.9
Chien-Pao	DarkIce	SnarlBlizzard	23.4
Garchomp	DragonGround	Dragon TailBreaking Swipe	23.4

Windy boosts the Dragon attacks above. Windy boosts Latios.

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

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

Questions people ask

What is Latios weak to in Pokémon GO?

Latios takes 1.6 times from Bug, Ghost, Ice, Dragon, Dark and Fairy.

What's the best counter to Latios?

Eternatus with Dragon Tail and Dynamax Cannon, worth 34.5 damage per second against Latios's own defense. The full ranking is above.