Castform does not evolve and does not have a pre-evolved form.
Castform takes on the appearance of a round, floating creature.
When the Weather is Sunny, Castform transforms into its Fire-Type Form, which resmebles a red sphere floating on fairweather clouds and smaller red spheres dotting the sphere.
When it is Raining, Castform transforms into its Water-Type Form, resembling a blue raindrop floating on rainclouds. When it is Hailing, Castform changes into its Ice-Type Form, resembling a blue-green twister sitting on top of a cloud that has formed an icicle underneath it.
Despite the several different forms, Castform doesn't have any differences to differentiate between male and female.
Castform is obtainable at the Weather Research Institute in Ruby, Sapphire, and Emerald. In Diamond, Pearl, and Platinum Castform appears at the Trophy Garden as the Daily Pokémon, which doesn't occur until after the National Pokédex is obtained.
In Pokémon Sun and Moon, Castform can be caught in the wild at Route 17, Exeggutor Island, Haina Desert, Lush Jungle, Malie Garden, Mount Lanakila and Tapu Village when called on in an S.O.S. Battle during certain weather conditions.
Castform is limited to appearing at Huge Storage 5 and and Mr. Who's Den in Pokémon Trozei!.
Castform appears at Mt. Faraway 20F-29F in the first Mystery Dungeon games. In Explorers of Time, Explorers of Darkness & Explorers of Sky, Castform appears at Blizzard Island 1F-20F and Shimmer Hill 1F-17F. Castform appears in all 3 versions of Mystery Dungeon 3, appearing at each games Unown-themed area.
Castform has yet to appear in the Pokémon Ranger series as of writing.
In Pokémon Rumble Blast, Castform appears after completing the game, but each of its forms can be found in different areas. Non-transformed Castform can be found at Seabreeze Trail Meadow 1-2. Rain Form Castform inhabit Shimmering Lake Lake 2-4; Sunny Form Castform appear at Desolated Ruins Desert 3-1; and Snowy Form Castform appear at Frozen Tundra Glacier 4-1.
Trading Card Game
There are a total of 13 different Castform cards. The regular Castform appears as an Uncommon Card in the EX Hidden Legends, EX Delta Species, EX Holon Phantoms (Holon's Castform) and Legends Awakened sets.
Each of Castform's 3 forms appears in three different sets. These three forms are listed as Uncommon Cards in the Legends Awakened set, and are listed as Rare Cards in the EX Hidden Legends and EX Delta Species sets.
In a parallel to Ruby, Sapphire and Emerald, a Castform appeared in the episode Unfair Weather Friends, which took place at the Weather Institute and involved the Weather Institute coming under attack by both Team Magma and Team Aqua.
A Wild Castform appeared in the episode Clamperl of Wisdom, and other trainers have used Castform in Pokémon Contests as well.
Wild Castform appeared in the film Arceus and the Jewel of Life, the only film appearance for Castform to date.
Castform finds itself in the Never-Utilized Tier of Competitive Battling as a result of low Statistics overall. The only thing that it does well is use Weather Ball after a weather condition has been set up, or one that it sets up on its own. It doesn't perform well in the Metagame other than that, save for using weather-based combinations.
Survive its attacks and it is relatively easy to defeat.
Transfer Only Z-Moves
Via Dream World
Via Move Tutor (Black 2/White 2)
Generation III Exclusive Move Tutor Moves
Generation IV Exclusive Moves
- TM03: Water Pulse
- TM34: Shock Wave
- TM43: Secret Power
- TM58: Endure
- TM72: Avalanche
- TM78: Captivate
- TM83: Natural Gift
Via Move Tutor (Platinum/Heart Gold/Soul Silver)
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