Weak toFightingFlyingPoisonBugFireIce ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	45.2
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	38.6
Lucario	FightingSteel	Force PalmAura SphereLegacy	38.3
Reshiram	DragonFire	Fire FangFusion FlareLegacy	37.5
Pheromosa	BugFighting	Bug BiteFocus Blast	37.2
Kartana	GrassSteel	Fury CutterSacred Sword	36.5
Terrakion	RockFighting	Double KickSacred SwordLegacy	34.9
Blaziken	FireFighting	CounterAura Sphere	34.7
Salamence	DragonFlying	Fire FangFly	34.6
Chandelure	GhostFire	Fire SpinOverheat	34.4
Moltres	FireFlying	Fire SpinFly	34.0
Cinderace	Fire	Fire SpinPyroball	33.9

Clear boosts the Fire attacks above. Clear and Partly cloudy boost Sawsbuck.

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

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

Questions people ask

What is Sawsbuck weak to in Pokémon GO?

Sawsbuck takes 1.6 times from Fighting, Flying, Poison, Bug, Fire and Ice.

What's the best counter to Sawsbuck?

Blacephalon with Incinerate and Mind Blown, worth 45.2 damage per second against Sawsbuck's own defense. The full ranking is above.