1:30 
Sprite
Castform (Rainy)
The Weather Pokémon
TL;DR. Castform (Rainy) is a pure water-type Pokémon from Generation III. Base Stat Total: 420. CASTFORM’s appearance changes with the weather. This POKéMON gained the ability to use the vast power of nature to protect its tiny body.
Water
CASTFORM’s appearance changes with the weather. This POKéMON gained the ability to use the vast power of nature to protect its tiny body.
Height0.3 m
Weight0.8 kg
AbilitiesForecast
Base stats
Stat spread.
Total of 420. Higher peaks mean specialized roles, flat spreads favor versatility.
HP 70
Attack 70
Defense 70
Sp. Attack 70
Sp. Defense 70
Speed 70
Total420
420 base stat total, the 562nd-highest of all 1025 Pokémon species and 81st among Water-types.
70 base HP, Castform (Rainy)'s strongest stat, ranking 66th of 154 Water-types.
Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.
Daily Pokémon · Video
Castform (Rainy) on Daily Pokémon
Castform (Rainy) was featured once as the Pokémon of the day. Tap a cover to play the short.
1:30 Pokémon GO
Castform (Rainy) in Pokémon GO.
Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Castform (Rainy) reaches 1,632 CP at level 40 and 1,867 CP as a best buddy.
GO Attack139
GO Defense139
GO Stamina172
Max CP (L40)1,632
Max CP (L50)1,845
Best buddy (L51)1,867
Raid catch CP 875–932 (L20). Weather boosted 1,094–1,165 (L25).
Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator
Competitive
Castform (Rainy) in competitive play.
Recommended builds and battle rankings for Castform (Rainy) across the current metagames. In Pokémon GO it ranks #130 in the Great League.
Pokémon GO Battle League
Great League #130 87 score
Build around it: GO PvP IV optimizer · Team builder · Ask Dia
Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.
Quick answers
Common questions about Castform (Rainy).
Direct, sourced answers to the most-asked questions about Castform (Rainy), each computed straight from its Pokédex data.
What type is Castform (Rainy)?
Castform (Rainy) is a pure Water-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.
What is Castform (Rainy) weak to?
Castform (Rainy) takes 2× damage from Grass, Electric. It has no 4× weaknesses.
What is Castform (Rainy) resistant to?
Castform (Rainy) resists Fire, Water, Ice, Steel. It has no full immunities.
Does Castform (Rainy) evolve?
Castform (Rainy) does not evolve and does not evolve from another Pokémon. it's a standalone species.
What generation is Castform (Rainy) from?
Castform (Rainy) was introduced in Generation III (the Hoenn region). Its Pokédex number is #10014.
What are Castform (Rainy)'s base stats?
Castform (Rainy) has HP 70, Attack 70, Defense 70, Special Attack 70, Special Defense 70, and Speed 70. Total base stat total: 420.
What are Castform (Rainy)'s abilities?
Castform (Rainy) can have the ability Forecast.
Is Castform (Rainy) legendary or mythical?
No. Castform (Rainy) is a regular Pokémon, not classified as Legendary or Mythical.
What is Castform (Rainy)'s best stat?
Castform (Rainy)'s highest base stat is HP at 70, which ranks 66th of 154 Water-type Pokémon.
Is Castform (Rainy) good?
Castform (Rainy) has a base stat total of 420, the 562nd-highest of all 1025 Pokémon species and 81st among Water-types. That is a modest total, typical of an unevolved or utility Pokémon.
Other Castform forms
Castform variants.
Sprites · Sound
Through the generations.
Castform (Rainy) as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.
Type matchups
In battle.
Damage multipliers when Castform (Rainy) is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances.
2× Weak to
Grass Electric
½× Resists
Fire Water Ice Steel
Comparison
Castform (Rainy) vs. the average Water-type.
Each base stat measured against the mean across all 154 Water-type Pokémon.
| Stat | Castform (Rainy) | Water avg | Difference |
|---|---|---|---|
| HP | 70 | 70 | +0 |
| Attack | 70 | 72 | -2 |
| Defense | 70 | 72 | -2 |
| Special Attack | 70 | 71 | -1 |
| Special Defense | 70 | 69 | +1 |
| Speed | 70 | 66 | +4 |
| Total | 420 | 420 | +0 |
Game appearances
Castform appears in 24 games.
Every mainline release where Castform is obtainable, has a dex entry, or is transferable. Grouped by generation.
Gen III
- 2003 Ruby
- 2003 Sapphire
- 2004 FireRed
- 2004 LeafGreen
- 2005 Emerald
Gen IV
- 2007 Diamond
- 2007 Pearl
- 2009 Platinum
- 2010 HeartGold
- 2010 SoulSilver
Gen V
- 2011 Black
- 2011 White
- 2012 Black 2
- 2012 White 2
Gen VI
- 2013 X
- 2013 Y
- 2014 Alpha Sapphire
- 2014 Omega Ruby
Gen VII
- 2016 Moon
- 2016 Sun
- 2017 Ultra Moon
- 2017 Ultra Sun
Gen IX
- 2026 Pokémon Champions
Side games + live service
- 2016 Pokémon GO
Pokémon Champions: Champions availability TBD . Full roster pending official reveal.
Where to find
Catch Castform in the wild.
Main-series wild-encounter locations, grouped by game. 11 games have a known habitat.
Black 2, White 2
Unova Route 6
Ruby, Sapphire, Emerald, Omega Ruby, Alpha Sapphire
Hoenn Route 119 Weather Institute
Sun, Moon
Alola Route 17 NortheastAlola Route 17 WestExeggutor IslandHaina DesertLush Jungle NorthLush Jungle SouthLush Jungle WestMalie GardenMount Lanakila OutsideTapu Village
Ultra Sun, Ultra Moon
Alola Route 17 NortheastAlola Route 17 WestExeggutor IslandHaina DesertLush Jungle NorthLush Jungle SouthLush Jungle WestMalie GardenMount Lanakila BaseMount Lanakila OutsideTapu Village
Pokémon anime
Castform (Rainy) appears in 6 episodes.
From AG083 (2004-07-01) through JN036 (2020-09-06).
- AG083 Unfair-Weather Friends Advanced Generation 2005-06-18
- AG111 Eight Ain't Enough Advanced Generation 2006-01-28
- AG162 Spontaneous Combusken! Advanced Generation 2006-11-04
- SM035 Currying Favor and Flavor! Sun & Moon 2017-10-14
- SM041 Mounting an Electrifying Charge! Sun & Moon 2017-11-25
- JN036 Making Battles in the Sand! Journeys 2020-12-04
TCG Pocket appearances
6 Castform (Rainy) cards across TCG Pocket.
Every printed variant on iOS / Android. Tap any card for full art.
Find similar
Pokémon like Castform (Rainy)
Closest matches by typing, role, stats, and lore, from the same semantic search that powers the Reverse Dex.