Pokemon Go August 2026: Gigantamax Rillaboom and Mega Starmie Arrive

August is here, and with it comes the grand finale for Pokemon Go's Forever Forward season. Niantic is pulling out all the stops, introducing a wave of new content designed to keep trainers engaged throughout the month. The headline-grabbing additions include the highly anticipated arrival of Gigantamax Rillaboom and the formidable Mega Starmie, promising new strategic depth for battles and a fresh set of targets for dedicated raiders.

August's Raid Boss Lineup

The raid rotation for August promises a diverse set of challenges and opportunities. Following Kyurem's departure on August 4th, players can look forward to the return of the legendary lake trio: Azelf, Mesprit, and Uxie. These powerful Psychic-type Pokemon will be available in five-star raids, with each being exclusive to its respective region, encouraging global collaboration and trading. Later in the month, trainers can also expect to see other fan-favorite legendaries like Groudon and Lunala, along with the Regi trio, appearing in raids. For Mega Evolution enthusiasts, Mega Aggron, Mega Blaziken, Mega Garchomp, Mega Swampert, and Mega Gyarados will be rotating through Mega Raids all month long. Adding an extra layer of challenge, Shadow Altered Forme Giratina will be the featured Shadow Raid boss for the entire month, offering a powerful Shadow Pokemon for those brave enough to take it down.

Summer Festivities and Special Events

Beyond the raid battles, August is packed with special events to celebrate the summer season and the upcoming 2026 Pokemon World Championships. Players can look forward to the Arctic Embers event, bringing fire and ice-themed Pokemon and bonuses, and a week-long Water Festival as part of the Ultra Unlock initiative. A Max Battle Day featuring Gigantamax Rillaboom is also on the horizon, offering a unique chance to catch this powerful Pokemon. Additionally, a Super Mega Raid Day focused on Mega Starmie will provide ample opportunities to acquire this new Mega Evolution. The month will also feature Spotlight Hours each week, highlighting specific Pokemon and offering bonus Candy or Stardust for catching them, including Nickit Community Day bonuses and a Fire And Ice Hatch Day.

What's Next

With the Forever Forward season concluding, trainers should keep an eye on official Pokemon Go channels for announcements regarding the next season and any further updates. The 2026 Pokemon World Championships event later in August is expected to bring significant bonuses and potentially new content, so trainers will want to be prepared.