Weak toRockElectricIce ×1.6

Attacker	Type	Moveset	DPS
Regieleki	Electric	Lock OnThunder CageLegacy	61.6
Zeraora	Electric	Volt SwitchPlasma Fists	52.9
Zekrom	DragonElectric	Charge BeamFusion BoltLegacy	51.7
Xurkitree	Electric	Thunder ShockDischarge	51.0
Glimmora	RockPoison	Rock ThrowMeteor Beam	46.7
Rampardos	Rock	Smack DownRock Slide	46.2
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	44.7
Deoxys	Psychic	Charge BeamThunderbolt	44.5
Gigalith	Rock	Lock OnMeteor BeamLegacy	44.4
Electivire	Electric	Thunder ShockWild Charge	44.2
Tyrantrum	RockDragon	Rock ThrowMeteor Beam	43.3
Raikou	Electric	Volt SwitchWild Charge	43.0

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

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

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

Questions people ask

What is Rufflet weak to in Pokémon GO?

Rufflet takes 1.6 times from Rock, Electric and Ice.

What's the best counter to Rufflet?

Regieleki with Lock On and Thunder Cage, worth 61.6 damage per second against Rufflet's own defense. The full ranking is above.