diff --git a/src/data/ability.ts b/src/data/ability.ts
index 99d41fed1c9..33f700a0248 100644
--- a/src/data/ability.ts
+++ b/src/data/ability.ts
@@ -4867,9 +4867,10 @@ async function applyAbAttrsInternal<TAttr extends AbAttr>(
   showAbilityInstant: boolean = false,
   simulated: boolean = false,
   messages: string[] = [],
+  considerPassive: boolean = true
 ) {
   for (const passive of [ false, true ]) {
-    if (!pokemon?.canApplyAbility(passive) || (passive && pokemon.getPassiveAbility().id === pokemon.getAbility().id)) {
+    if (!pokemon?.canApplyAbility(passive) || (passive && (pokemon.getPassiveAbility().id === pokemon.getAbility().id || !considerPassive))) {
       continue;
     }
 
@@ -5295,6 +5296,21 @@ export function applyPostItemLostAbAttrs(attrType: Constructor<PostItemLostAbAtt
   return applyAbAttrsInternal<PostItemLostAbAttr>(attrType, pokemon, (attr, passive) => attr.applyPostItemLost(pokemon, simulated, args), args);
 }
 
+/**
+ * Applies abilities when they become active mid-turn (ability switch)
+ *
+ * Ignores passives as they don't change and shouldn't be reapplied when main abilities change
+ */
+export function applyMidTurnAbAttrs(pokemon: Pokemon, simulated: boolean = false, ...args: any[]): Promise<void> {
+  return applyAbAttrsInternal<PostSummonAbAttr>(PostSummonAbAttr, pokemon, (attr, passive) => attr.applyPostSummon(pokemon, passive, simulated, args), args, false, simulated, [], false);
+}
+
+/**
+ * Clears primal weather during the turn if {@linkcode pokemon}'s ability corresponds to one
+ */
+export function applyMidTurnClearWeatherAbAttrs(pokemon: Pokemon, simulated: boolean = false, ...args: any[]): Promise<void> {
+  return applyAbAttrsInternal<PreSwitchOutAbAttr>(PreSwitchOutClearWeatherAbAttr, pokemon, (attr, passive) => attr.applyPreSwitchOut(pokemon, passive, simulated, args), args, true, simulated, [], false);
+}
 function queueShowAbility(pokemon: Pokemon, passive: boolean): void {
   globalScene.unshiftPhase(new ShowAbilityPhase(pokemon.id, passive));
   globalScene.clearPhaseQueueSplice();
diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index 32db4f2b727..8c1083b424d 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -32,7 +32,7 @@ import { BattlerTag, BattlerTagLapseType, EncoreTag, GroundedTag, HighestStatBoo
 import { WeatherType } from "#enums/weather-type";
 import { ArenaTagSide, NoCritTag, WeakenMoveScreenTag } from "#app/data/arena-tag";
 import type { Ability, AbAttr } from "#app/data/ability";
-import { StatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, IgnoreOpponentStatStagesAbAttr, MoveImmunityAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyStatMultiplierAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr, DamageBoostAbAttr, IgnoreTypeStatusEffectImmunityAbAttr, ConditionalCritAbAttr, applyFieldStatMultiplierAbAttrs, FieldMultiplyStatAbAttr, AddSecondStrikeAbAttr, UserFieldStatusEffectImmunityAbAttr, UserFieldBattlerTagImmunityAbAttr, BattlerTagImmunityAbAttr, MoveTypeChangeAbAttr, FullHpResistTypeAbAttr, applyCheckTrappedAbAttrs, CheckTrappedAbAttr, PostSetStatusAbAttr, applyPostSetStatusAbAttrs, InfiltratorAbAttr, AlliedFieldDamageReductionAbAttr, PostDamageAbAttr, applyPostDamageAbAttrs, CommanderAbAttr, applyPostItemLostAbAttrs, PostItemLostAbAttr, applyPostSummonAbAttrs, PostSummonAbAttr, PreSwitchOutAbAttr, applyPreSwitchOutAbAttrs } from "#app/data/ability";
+import { StatMultiplierAbAttr, BlockCritAbAttr, BonusCritAbAttr, BypassBurnDamageReductionAbAttr, FieldPriorityMoveImmunityAbAttr, IgnoreOpponentStatStagesAbAttr, MoveImmunityAbAttr, PreDefendFullHpEndureAbAttr, ReceivedMoveDamageMultiplierAbAttr, StabBoostAbAttr, StatusEffectImmunityAbAttr, TypeImmunityAbAttr, WeightMultiplierAbAttr, allAbilities, applyAbAttrs, applyStatMultiplierAbAttrs, applyPreApplyBattlerTagAbAttrs, applyPreAttackAbAttrs, applyPreDefendAbAttrs, applyPreSetStatusAbAttrs, UnsuppressableAbilityAbAttr, SuppressFieldAbilitiesAbAttr, NoFusionAbilityAbAttr, MultCritAbAttr, IgnoreTypeImmunityAbAttr, DamageBoostAbAttr, IgnoreTypeStatusEffectImmunityAbAttr, ConditionalCritAbAttr, applyFieldStatMultiplierAbAttrs, FieldMultiplyStatAbAttr, AddSecondStrikeAbAttr, UserFieldStatusEffectImmunityAbAttr, UserFieldBattlerTagImmunityAbAttr, BattlerTagImmunityAbAttr, MoveTypeChangeAbAttr, FullHpResistTypeAbAttr, applyCheckTrappedAbAttrs, CheckTrappedAbAttr, PostSetStatusAbAttr, applyPostSetStatusAbAttrs, InfiltratorAbAttr, AlliedFieldDamageReductionAbAttr, PostDamageAbAttr, applyPostDamageAbAttrs, CommanderAbAttr, applyPostItemLostAbAttrs, PostItemLostAbAttr, applyMidTurnAbAttrs, applyMidTurnClearWeatherAbAttrs } from "#app/data/ability";
 import type PokemonData from "#app/system/pokemon-data";
 import { BattlerIndex } from "#app/battle";
 import { Mode } from "#app/ui/ui";
@@ -1432,23 +1432,14 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
 
   /**
    * Sets the {@linkcode Pokemon}'s ability and activates it if it normally activates on summon
-   * Clears
+   *
+   * Also clears primal weather if it is from the ability being changed
    * @param ability New Ability
    */
   public setTempAbility(ability: Ability): void {
-    const legendaryWeather = [ Abilities.DESOLATE_LAND, Abilities.PRIMORDIAL_SEA, Abilities.DELTA_STREAM ];
-    // If the ability to set is also a legendary weather, no need to clear old weather
-    if (legendaryWeather.includes(this.getAbility().id) && !legendaryWeather.includes(ability.id)) {
-      applyPreSwitchOutAbAttrs(PreSwitchOutAbAttr, this);
-    }
+    applyMidTurnClearWeatherAbAttrs(this);
     this.summonData.ability = ability.id;
-
-    applyPostSummonAbAttrs(PostSummonAbAttr, this)
-      .then(() => {
-        const field = this.isPlayer() ? globalScene.getPlayerField() : globalScene.getEnemyField();
-        field.forEach((p) => applyAbAttrs(CommanderAbAttr, p, null, false));
-      });
-
+    applyMidTurnAbAttrs(this);
   }
 
   /**