Special
Balanced
420Average
70Moderate
DTier

Castform's Normal typing gives it an immunity to Ghost. Only 1 weaknesses on top of that — it has plenty of safe switch-in opportunities. A competitive option since Gen 3. Needs some investment to avoid getting outsped.

Castform's stats barely vary. 0 sit in respectable range with no real gaps. It's a blank slate for EV investment. Worth 1 HP EV, medium-fast 1M XP curve to max.

Base Stats
420Above
HP70
C
Attack70
C
Defense70
C
Sp. Atk70
C
Sp. Def70
C
Speed70
C
Total420
Low <60
Avg 60-89
High 90-149
Top 150+
EV YieldDefeating Castform yields +1 HP
HP+1AtkDefSpASpDSpe
Details
Catch45ChallengingMedium Fast1M XP0.3m / 1'00"0.8kg / 1.8 lbs147Base XP
Pokedex Entries

This is the form Castform takes when covered in snow. Its body becomes an ice-like material, with a temperature near 23 degrees Fahrenheit.

Sun

This is Castform’s form when caught in a hailstorm. Its cold skin is as smooth as ice.

Moon

Castform Weakness

Good

Castform's Normal typing leaves it vulnerable to Fighting moves. It shrugs off Ghost-type attacks completely. Only 1 weakness makes it relatively easy to build around defensively.

4xCriticali
None
2xWeaki
½xResisti
None
¼xResisti
None
0xImmunei
STABi
No super-effective STAB
1Weak
0Resist
1Immune
Scorei+1
SpikesGrounded — up to 25%
Toxic SpikesVulnerable
Abilities
ForecastChanges castform's type and form to match the weather.

No evolution chain to worry about here. Castform is a standalone Pokemon with no compatible partners for breeding through two egg groups. Eggs come out average hatch time.

How to Evolve

No Evolution
Castform
#351Castform
Does not evolve
Breeding
Very Easy

Breed Castform easily from the Indeterminate and Fairy egg groups. Pass egg moves like Amnesia, Clear Smog, Cosmic Power and 7 more to offspring.

Egg Groups
IndeterminateFairy
Gender
50.0%50.0%
Hatch Time
25 cycles·6,425 steps
Moderate~6 min with Flame Body
Egg Moves
10moves

One guaranteed turn is all Castform needs. Focus Sash buys it, max Sp. Atk and Speed EVs make it count, and Forecast adds something extra. The goal: deal early damage and deal damage with Weatherball. Fire coverage gives it play beyond just the lead turn.

Best Build

Special Sweeper
Ability
Forecast
Item
Focus SashSURVIVAL
Nature
Timid+SPE
EVs

Best Castform Moveset

  • Weather BallSTAB
  • ProtectFAST +4
  • Ice Beam
  • FlamethrowerCoverage

Breadth over depth defines this movepool. Castform won't stack one type's damage ceiling, but coverage across 10 types means it always has an effective option. Double-Edge and Body Slam anchor the STAB core.

Level-Up Moves

Lv 1
Tackle
4010035Normal
Lv 10
Ember
4010025Fire
Lv 10
Powder Snow
4010025Ice
Lv 10
Water Gun
4010025Water
Lv 15
Headbutt
7010015Normal
Lv 20
Hail
10Ice
Lv 20
Rain Dance
5Water
Lv 20
Sunny Day
5Fire
Lv 25
Weather Ball
5010010Normal
Lv 35
Blizzard
110705Ice
Lv 35
Fire Blast
110855Fire
Lv 35
Hydro Pump
110805Water
Lv 45
Hurricane
1107010Flying

TM Moves

Src
TM45
Attract
10015Normal
TM14
Blizzard
110705Ice
TM100
Confide
20Normal
TM32
Double Team
15Normal
TM53
Energy Ball
9010010Grass
TM42
Facade
7010020Normal
TM38
Fire Blast
110855Fire
TM35
Flamethrower
9010015Fire
TM21
Frustration
10020Normal
TM07
Hail
10Ice
TM10
Hidden Power
6010015Normal
TM13
Ice Beam
9010010Ice
TM17
Protect+4
10Normal
TM77
Psych Up
10Normal
TM18
Rain Dance
5Water
TM44
Rest
10Psychic
TM27
Return
10020Normal
TM48
Round
6010015Normal
TM37
Sandstorm
10Rock
TM55
Scald
8010015Water
TM30
Shadow Ball
8010015Ghost
TM88
Sleep Talk
10Normal
TM22
Solar Beam
20010010Grass
TM90
Substitute
10Normal
TM11
Sunny Day
5Fire
TM87
Swagger
8515Normal
TM46
Thief
6010025Dark
TM25
Thunder
1107010Electric
TM73
Thunder Wave
9020Electric
TM24
Thunderbolt
9010015Electric
TM06
Toxic
9010Poison
TM01
Work Up
30Normal

Egg Moves

Src
Egg
Amnesia
20Psychic
Egg
Clear Smog
5015Poison
Egg
Cosmic Power
20Psychic
Egg
Disable
10020Normal
Egg
Future Sight
12010010Psychic
Egg
Guard Swap
10Psychic
Egg
Hex
6510010Ghost
Egg
Lucky Chant
30Normal
Egg
Ominous Wind
601005Ghost
Egg
Reflect Type
15Normal

Tutor Moves

Castform can't learn any Tutor moves

Transfer Moves

Src
Gen 4
Avalanche-4
6010010Ice
Gen 3
Body Slam
8510015Normal
Gen 4
Captivate
10020Normal
Gen 3
Defense Curl
40Normal
Gen 3
Double-Edge
12010015Normal
Gen 4
Endure+4
10Normal
Gen 6
Flash
10020Normal
Gen 6
Incinerate
6010015Fire
Gen 3
Mimic
10Normal
Gen 4
Natural Gift
10015Normal
Gen 6
Retaliate
701005Normal
Gen 6
Secret Power
7010020Normal
Gen 4
Swift
6020Normal

moderate rates across 42 locations for Castform in mid-game routes. Scroll the sorted list below and pick whichever spot sits closest to your current route. The rate differences between locations are worth comparing.

Best Locations

42 walking encounters at Lv. 18-45 for Castform across Moon and Sun. A few locations are version-exclusive, so your copy of the game affects what's available.

Lush Jungle - North
MoonGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Lush Jungle - North
SunGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Lush Jungle - South
MoonGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Lush Jungle - South
SunGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Lush Jungle - West
MoonGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Lush Jungle - West
SunGrassLv.18-2111%MidForestSOS chain (sandstorm/hail)
MODERATE
Malie Garden
SunGrassLv.24-2711%MidForestSOS chain (sandstorm/hail)
MODERATE
Malie Garden
MoonGrassLv.24-2711%MidForestSOS chain (sandstorm/hail)
MODERATE
Haina Desert
MoonGrassLv.28-3110%MidDesertSOS chain (rain/hail)
MODERATE
Haina Desert
SunGrassLv.28-3110%MidDesertSOS chain (rain/hail)
MODERATE
Haina Desert
MoonGrassLv.28-3110%MidDesertSOS chain (rain/hail)
MODERATE
Haina Desert
SunGrassLv.28-3110%MidDesertSOS chain (rain/hail)
MODERATE
Tapu Village
MoonGrassLv.28-3110%MidCitySOS chain (sandstorm/rain)
MODERATE
Tapu Village
SunGrassLv.28-3110%MidCitySOS chain (sandstorm/rain)
MODERATE
Lush Jungle - North
MoonGrassLv.18-211%MidForestSOS chain (rain)
HARD
Lush Jungle - North
SunGrassLv.18-211%MidForestSOS chain (rain)
HARD
Lush Jungle - South
MoonGrassLv.18-211%MidForestSOS chain (rain)
HARD
Lush Jungle - South
SunGrassLv.18-211%MidForestSOS chain (rain)
HARD
Lush Jungle - West
MoonGrassLv.18-211%MidForestSOS chain (rain)
HARD
Lush Jungle - West
SunGrassLv.18-211%MidForestSOS chain (rain)
HARD
Haina Desert
MoonGrassLv.28-311%MidDesertSOS chain (sandstorm)
HARD
Haina Desert
SunGrassLv.28-311%MidDesertSOS chain (sandstorm)
HARD
Haina Desert
MoonGrassLv.28-311%MidDesertSOS chain (sandstorm)
HARD
Haina Desert
SunGrassLv.28-311%MidDesertSOS chain (sandstorm)
HARD
Tapu Village
MoonGrassLv.28-311%MidCitySOS chain (hail)
HARD
Tapu Village
SunGrassLv.28-311%MidCitySOS chain (hail)
HARD
Exeggutor Island
MoonGrassLv.40-4311%LateWaterSOS chain (sandstorm/hail)
MODERATE
Exeggutor Island
SunGrassLv.40-4311%LateWaterSOS chain (sandstorm/hail)
MODERATE
Mount Lanakila - Outside
MoonGrassLv.42-4511%LateCaveSOS chain (sandstorm/rain)
MODERATE
Mount Lanakila - Outside
SunGrassLv.42-4511%LateCaveSOS chain (sandstorm/rain)
MODERATE
Route 17 - Northeast
MoonGrassLv.31-3410%LateRouteSOS chain (sandstorm/hail)
MODERATE
Route 17 - Northeast
SunGrassLv.31-3410%LateRouteSOS chain (sandstorm/hail)
MODERATE
Route 17 - Northeast
MoonGrassLv.31-34LateRouteSOS chain (rain)
Route 17 - Northeast
SunGrassLv.31-34LateRouteSOS chain (rain)
Route 17 - West
MoonGrassLv.31-3410%LateRouteSOS chain (sandstorm/hail)
MODERATE
Route 17 - West
SunGrassLv.31-3410%LateRouteSOS chain (sandstorm/hail)
MODERATE
Route 17 - West
MoonGrassLv.31-341%LateRouteSOS chain (rain)
HARD
Route 17 - West
SunGrassLv.31-341%LateRouteSOS chain (rain)
HARD
Exeggutor Island
MoonGrassLv.40-431%LateWaterSOS chain (rain)
HARD
Exeggutor Island
SunGrassLv.40-431%LateWaterSOS chain (rain)
HARD
Mount Lanakila - Outside
MoonGrassLv.42-451%LateCaveSOS chain (hail)
HARD
Mount Lanakila - Outside
SunGrassLv.42-451%LateCaveSOS chain (hail)
HARD
  • Castform has a 420 base stat total and ranks as D-Tier — outclassed by better options in most formats. It works best as a balanced.

  • Watch for Machamp (Fighting) when using Castform. They all hit it super-effectively with STAB. Only 1 weakness means fewer dedicated counters to worry about.

  • Castform doesn't evolve and has no evolutionary line. It's a Normal-type Pokemon with a 420 base stat total.

  • Forecast changes Castform's type and form to match the weather — that's the one you want on Castform. It's the only ability Castform has.

  • Castform fills the balanced role. It's a special attacker with base 70 Sp. Atk. Base 70 Speed is workable — faster than some, slower than many. And it's enough bulk to take a hit or two.

  • Castform appears in 13 games, including Ruby & Sapphire, FireRed & LeafGreen, and Emerald.

Castform first appeared in Ruby & Sapphire and has been available in 13 games across 7 generations. Obtainable through wild encounters in most titles where it appears.