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Castform ポワルン Powalen
Artwork from R/S/E
National Dex	#351
Johto Dex	#—
Hoenn Dex	#142
Sinnoh Dex	#—
Fiore Browser	R—
Almia Browser	R—
Type	Normal
Species	Weather Pokémon
Height	1′00″ (0.3m)
Weight	1.8 lbs. (0.8kg)
Ability	Forecast
Egg groups	Fairy
	Indeterminate
Time to hatch	6,400 steps
Effort yield	1 HP
Exp. yield	145 base exp.
Lv100 at	1,000,000 exp.
Gender	50% ♀ / 50% ♂
Pokédex color	White
Catch rate	45
On Legendary Pokémon Pokédex: Generation III Generation IV On Pokémon Palace Network Pokédex (Gen. III) On Smogon Pokédex: Generation III Generation IV On Eevee's Pokédex (Gen. III-IV) On Psypoke Pokédex On Pokecharms Pokédex (Gen. III-IV) On Marriland Pokédex (Gen. IV) On Serebii's Pokédex: Generation III Generation IV On Ultimate Pokémon Center Pokédex (Gen. I-IV) Artwork on Bulbagarden Archives

Castform (Japanese: ポワルン Powalen) is a Normal-type Pokémon under normal conditions; however, its type can vary depending on the current weather.

Contents 1 Biology 1.1 Physiology 1.1.1 Gender differences 1.1.2 Special abilities 1.2 Behavior 1.3 Habitat 1.4 Diet 2 In the anime 3 In the manga 4 In the TCG 5 Other Appearances 6 Game data 6.1 Pokédex entries 6.2 Game locations 6.2.1 In side games 6.3 Base stats 6.4 Type effectiveness 6.4.1 Under normal weather conditions 6.4.2 During rain 6.4.3 During hail 6.4.4 During strong sunlight 6.5 Learnset 6.5.1 By leveling up 6.5.2 By TM/HM 6.5.3 By breeding 6.5.4 By tutoring 6.6 Side game data 6.7 Evolution 6.8 Sprites 6.9 Trivia 6.9.1 Origin 6.9.1.1 Name origin 6.10 In other languages 7 External links

Biology

Physiology

Castform is a small, grayish Pokémon that resembles a cloud. Castform appears to have a pair of white goggles; however, Castform's appearance (and type) can change depending on the weather.

In strong sunlight, Castform's lower half becomes pure white while the head turns orange with smaller orange balls surrounding it. This gives Castform's head a shape that is similar to the sun.

During rain, Castform's lower half becomes a darker shade of gray. The head is blue, resembling a drop of rain.

In hail or snowy weather, Castform's head turns purplish-blue. The rest of of the body changes into a greenish tornado.

Gender differences

None.

Special abilities

Castform has the aforementioned ability to change its form with the weather (even though it lacks forms for sandstorms and fog). Castform is capable of various Fire, Water, Ice, Electric and Grass type moves. Castform is one out of the only two Pokémon that can use Weather Ball (the other is Roserade).

Behavior

Habitat

Castform prefers grassland.

Diet

Main article: Pokémon food

In the anime

A Castform from the Weather Institute changed into various forms in Unfair Weather Friends.

In the manga

A Castform, nicknamed Popo, belongs to Ruby in Pokémon Special.

In the TCG

Main article: Castform (TCG)

Other Appearances

Castform was featured as one of the Pokémon released from a Poké Ball in the demo of Super Smash Bros. Brawl that appeared at Jumpfesta.

Game data

Pokédex entries

Gen	Game	Pokédex entry
III	Ruby	Castform's appearance changes with the weather. This Pokémon gained the ability to use the vast power of nature to protect its tiny body.
	Sapphire	Castform borrows the power of nature to transform itself into guises of the sun, rain clouds, and snow clouds. This Pokémon's feelings change with the weather.
	Emerald	It alters its form depending on the weather. Changes in the climate such as the temperature and humidity appear to affect its cellular structure.
	FireRed	It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
	LeafGreen	It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
IV	Diamond	Its appearance changes with the weather. Recently, its molecules were found to be just like water.
	Pearl	Its appearance changes with the weather. Recently, its molecules were found to be just like water.

Game locations

Gen	Game	Rarity	Location
III	Pokémon Ruby and Sapphire	One	Weather Institute
	Pokémon Emerald	One	Weather Institute
	Pokémon FireRed and LeafGreen	None	Trade
	Pokémon Colosseum	None	Trade
	Pokémon XD: Gale of Darkness	None	Trade
IV	Pokémon Diamond and Pearl	Rare	Trophy Garden
	Pokémon Platinum		Unknown
	Pal Park		Field

In side games

Game	Location
Pokémon Pinball: Ruby & Sapphire	Plains
Pokémon Trozei!	Huge Storage 5 Mr. Who's Den
Pokémon Mystery Dungeon	Mt. Faraway (20F-29F)

Base stats

HP:	70
Attack:	70
Defense:	70
SpAtk:	70
SpDef:	70
Speed:	70

Type effectiveness

Under normal weather conditions

Weakness	Resistance
Fighting: 2×	Ghost: 0×	Normal: 1× Flying: 1× Poison: 1× Ground: 1× Rock: 1× Bug: 1× Steel: 1× Grass: 1× Fire: 1× Water: 1× Electric: 1× Psychic: 1× Ice: 1× Dragon: 1× Dark: 1×

During rain

Weakness	Resistance
Grass: 2× Electric: 2×	Steel: ½× Fire: ½× Water: ½× Ice: ½×	Normal: 1× Fighting: 1× Flying: 1× Poison: 1× Ground: 1× Rock: 1× Bug: 1× Ghost: 1× Psychic: 1× Dragon: 1× Dark: 1×

During hail

Weakness	Resistance
Fighting: 2× Rock: 2× Steel: 2× Fire: 2×	Ice: ½×	Normal: 1× Flying: 1× Poison: 1× Ground: 1× Bug: 1× Ghost: 1× Grass: 1× Water: 1× Electric: 1× Psychic: 1× Dragon: 1× Dark: 1×

During strong sunlight

Weakness	Resistance
Ground: 2× Rock: 2× Water: 2×	Bug: ½× Steel: ½× Grass: ½× Fire: ½× Ice: ½×	Normal: 1× Fighting: 1× Flying: 1× Poison: 1× Ghost: 1× Electric: 1× Psychic: 1× Dragon: 1× Dark: 1×

Learnset

Castform is capable of learning the following moves.
Moves in bold are damage moves to which STAB apply.

Moves in Italics aren't STAB in normal form, but are for some of its other forms.

By leveling up

Generation III Level Move Type Start Tackle 10 Water Gun Ember Powder Snow 20 Rain Dance Sunny Day Hail 30 Weather Ball

Generation IV Level Move Type Cat. Start Tackle 10 Water Gun Ember Powder Snow 20 Rain Dance Sunny Day Hail 30 Weather Ball

By TM/HM

#	Generation III	Generation IV
TM03	Water Pulse	Water Pulse
TM06	Toxic	Toxic
TM07	Hail	Hail
TM10	Hidden Power	Hidden Power
TM11	Sunny Day	Sunny Day
TM13	Ice Beam	Ice Beam
TM14	Blizzard	Blizzard
TM17	Protect	Protect
TM18	Rain Dance	Rain Dance
TM21	Frustration	Frustration
TM22	SolarBeam	SolarBeam
TM24	Thunderbolt	Thunderbolt
TM25	Thunder	Thunder
TM27	Return	Return
TM30	Shadow Ball	Shadow Ball
TM32	Double Team	Double Team
TM34	Shock Wave	Shock Wave
TM35	Flamethrower	Flamethrower
TM37	Sandstorm	Sandstorm
TM38	Fire Blast	Fire Blast
TM42	Facade	Facade
TM43	Secret Power	Secret Power
TM44	Rest	Rest
TM45	Attract	Attract
TM46	Thief	Thief
TM53		Energy Ball
TM58		Endure
TM70		Flash
TM72		Avalanche
TM73		Thunder Wave
TM77		Psych Up
TM78		Captivate
TM82		Sleep Talk
TM83		Natural Gift
TM87		Swagger
TM90		Substitute
HM05	Flash

By breeding

• Amnesia
• Disable
• Future Sight
• Lucky Chant
• Ominous Wind
• Psych Up

By tutoring

Side game data

Pokémon Pinball: Ruby & Sapphire
	Acquisition: Catch
Pokémon Trozei!
	Rarity: Common
Pokémon Mystery Dungeon
Body size: 1	Recruit Rate: 7.4%	Friend Area: Thunder Meadow
Phrases
51%-100% HP	My appearance changes with the power of nature.
26%-50% HP	My health is down to half already...
1%-25% HP	I'm helpless... I have almost no power left...
Level Up	Yay! I leveled up!

Evolution

	Basic (No weather) Castform
Basic (Sunny) Castform	Basic (Rainy) Castform	Basic (Hail) Castform

Sprites

Gen	Game
I	Red	Blue	Yellow	Red (Ja)	Green	Back
	This Pokémon did not appear during Generation I.
II	Gold	Silver	Crystal			Back
	This Pokémon did not appear during Generation II.
III	Ruby	Sapphire	Emerald	FireRed	LeafGreen	Back
	Image:Spr 3r 351.png			Image:Spr 3f 351.png
	Image:Spr 3r 351 s.png		Image:Spr 3e 351 s.gif	Image:Spr 3f 351 s.png		Image:Spr b g3 351 s.png
IV	Diamond	Pearl	Platinum			Back
	Image:Spr 4d 351.png		Image:Spr 4p 351.png
			Image:Spr 4p 351 s.png			Image:Spr b g4 351 s.png

For other sprites and images, please see Castform images on Bulbagarden Archives.

Trivia

• When Castform undergoes a weather-based transformation, the graphical interlude is the same as that of a Pokémon using the move Transform.
• Castform will not transform in fog or during a sandstorm.
• Castform's Weather Ball will always receive STAB, even when its form is changed, except in a sandstorm.
• If a alternate color Castform changes form, it will look the same as if a normal Castform changed form.

Origin

It appears to be intended to resemble and act like a living cloud. Its ability to change shape and type depending on the weather condition makes similar to a weather balloon.

Name origin

Castform's name seems to be a combination of forecast, predict the weather, and transform, referring to its ability to change type depending on the weather. The German and French names refer to this also. Its Japanese name may be a combination of 天気予報 tenkyohō, weather forecast, and 変わる kawaru, to change or transform.

In other languages

• German: Formeo
• French: Morpheo
• Korean: 캐스퐁 Caspong

External links

• Article on Wikipedia

This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon as a species.