Weak toFightingGroundSteelWaterGrass ×1.6

Attacker	Type	Moveset	DPS
Lucario	FightingSteel	Force PalmAura SphereLegacy	31.3
Kartana	GrassSteel	Razor LeafLeaf Blade	30.0
Pheromosa	BugFighting	Low KickFocus Blast	28.7
Terrakion	RockFighting	Double KickSacred SwordLegacy	28.6
Blaziken	FireFighting	CounterAura Sphere	28.3
Metagross	SteelPsychic	Bullet PunchMeteor MashLegacy	27.4
Inteleon	Water	Water GunHydro CannonLegacy	27.0
Kyogre	Water	WaterfallOrigin PulseLegacy	26.9
Breloom	GrassFighting	Force PalmGrass KnotLegacy	26.9
Tinkaton	FairySteel	Fairy WindGigaton HammerLegacy	26.6
Groudon	Ground	Mud ShotPrecipice BladesLegacy	26.4
Conkeldurr	Fighting	Force PalmFocus Blast	26.1

Overcast boosts the Fighting attacks above. Partly cloudy boosts Stonjourner.

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

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

Questions people ask

What is Stonjourner weak to in Pokémon GO?

Stonjourner takes 1.6 times from Fighting, Ground, Steel, Water and Grass.

What's the best counter to Stonjourner?

Lucario with Force Palm and Aura Sphere, worth 31.3 damage per second against Stonjourner's own defense. The full ranking is above.