Mega Mewtwo Y Weakness in Pokémon GO: July 26 Raid Guide

Pokémon GO has confirmed that Mega Mewtwo Y will appear in Super Mega Raids during the global GO Fest 2026 Sunday raid make-up event on July 26, 2026, from 10:00 a.m. to 7:00 p.m. local time. The official update also says Trainers can receive up to 12 free Raid Passes by spinning Gym Photo Discs during the event. Read the official event update.

This page answers the type-chart question behind searches such as “Mega Mewtwo Y weakness.” It keeps Pokémon GO's announced event information separate from our standard type-chart interpretation, so it does not assume an unannounced moveset, damage breakpoint, raid team, or catch result.

Official event facts vs. Type Matchup planning

Officially confirmed: Pokémon GO's July 17 update expands the make-up event globally. It runs July 26 from 10:00 a.m. to 7:00 p.m. local time, lists Mega Mewtwo Y in Super Mega Raids, and provides up to 12 free Raid Passes through Gym Photo Discs. The same announcement says Remote Raid limits are removed from July 25 at 1:00 p.m. PDT through July 26 at 11:59 p.m. PDT.

Type Matchup planning: The weakness notes below are Type Matchup's reading of the standard Psychic-type chart for Mewtwo. Pokémon GO uses its own battle values and raid mechanics. The official event update does not state Mega Mewtwo Y's moveset, the best individual counters, damage breakpoints, or a guaranteed outcome, so confirm the live encounter and your available moves before committing resources.

What is Mega Mewtwo Y weak to?

For the standard Psychic-type matchup, start with these attacking types:

• Bug: super effective against Psychic in the standard type chart.
• Ghost: super effective against Psychic in the standard type chart.
• Dark: super effective against Psychic in the standard type chart.
• Fighting and Psychic: are resisted by Psychic in the standard type chart, so they are not the type advantage to prioritize from a type-only perspective.

Use the Psychic type guide for the complete matchup, the Mewtwo page for its listed typing, and the type matchup calculator to compare a possible counter. For Pokémon GO-specific context, see the Pokémon GO type chart.

July 26 Mega Mewtwo Y raid checklist

The official announcement describes the July 26 event as a global make-up for GO Fest raid issues. It lists Mega Mewtwo Y separately under Super Mega Raids and says Mewtwo caught from those raids may have a Special Background. It does not promise a particular moveset, IVs, catch rate, or individual counter Pokémon.

Before your local event window closes:

1. Confirm the July 26 start and end time in your local game: 10:00 a.m. to 7:00 p.m. local time.
2. Spin Gym Photo Discs to access the event's stated allowance of up to 12 free Raid Passes.
3. Start your type-only plan with Bug, Ghost, or Dark coverage, then check the live moves and Pokémon GO raid mechanics.
4. Compare options in the team weakness calculator rather than relying on a standard-chart advantage alone.

What this guide does not claim

Community discussion is useful for spotting interest in the make-up event, but it does not establish event facts. This guide does not treat community predictions, data mines, or claims about Mega Mewtwo Y's best team, specific moves, DPS, shiny odds, or catch results as confirmed. Those details are either not stated in the official July 17 update or depend on the live game.

Mega Mewtwo Y weakness FAQ

When is Mega Mewtwo Y in Pokémon GO raids?

Pokémon GO's official update schedules the global GO Fest 2026 Sunday raid make-up event for July 26, 2026, from 10:00 a.m. to 7:00 p.m. local time. Mega Mewtwo Y is listed in Super Mega Raids.

What is Mega Mewtwo Y weak to by type?

For the standard Psychic-type matchup, Bug, Ghost, and Dark attacks are super effective. Pokémon GO's live moves, battle values, and raid mechanics still determine the practical result.

How many free Raid Passes are available on July 26?

The official update says Trainers can receive up to 12 free Raid Passes per day by spinning Photo Discs at Gyms during the event.

Does the official announcement confirm Mega Mewtwo Y's moveset or best counters?

No. The official July 17 update confirms its Super Mega Raid appearance and event bonuses, but it does not name a moveset, a best counter lineup, damage breakpoints, shiny odds, or catch results.