Great League PvP guide
Castform (Rainy) Pokémon GO – PvP, Best Moves, IVs & Counters
Castform (Rainy) is a Water-type Pokémon in Pokémon GO. Its strongest current PvP league is Great League, where it currently ranks #206. Its recommended PvP moveset is Water Gun with Weather Ball (Water) and Thunder.
Great League
#206
Viable pick
Type
Water
Best Fast Move
Water Gun
Charged Moves
Max CP
1,845
Updated for the current Pokémon GO season · September 2026
Rankings, moves and matchup data are updated automatically from the latest available PvP data.ABOUT CASTFORM (RAINY)
Is Castform (Rainy) Good in Pokémon GO PvP?
Castform (Rainy) is currently a viable PvP option in Great League where it is ranked #206.
Castform (Rainy) PvP Rankings
| League | Rank | PvP Score | Recommended Moves |
|---|---|---|---|
| Great LeagueBest | #206 | 82.5 | Water Gun, Weather Ball (Water), Thunder |
Best Moveset for Castform (Rainy) in Pokémon GO PvP
Fast Move · STAB
Strong vs: Fire, Ground, Rock
Neutral vs: Bug, Dark, Electric, Fairy, Fighting, Flying, Ghost, Ice, Normal, Poison, Psychic, Steel
Weak vs: Dragon, Grass, Water
Charged Move · STAB
Strong vs: Fire, Ground, Rock
Neutral vs: Bug, Dark, Electric, Fairy, Fighting, Flying, Ghost, Ice, Normal, Poison, Psychic, Steel
Weak vs: Dragon, Grass, Water
Charged Move
Strong vs: Flying, Water
Neutral vs: Bug, Dark, Fairy, Fighting, Fire, Ghost, Ice, Normal, Poison, Psychic, Rock, Steel
Weak vs: Dragon, Electric, Grass, Ground
The recommended PvP moveset for Castform (Rainy) is Water Gun with Weather Ball (Water) and Thunder.
Alternative movesets
All Fast and Charged Moves currently available to Castform (Rainy) in the imported game data.
Fast Moves
Fast Move
Neutral vs: Bug, Dark, Dragon, Electric, Fairy, Fighting, Fire, Flying, Grass, Ground, Ice, Normal, Poison, Psychic, Water
Weak vs: Ghost, Rock, Steel
Fast Move · STAB
Strong vs: Fire, Ground, Rock
Neutral vs: Bug, Dark, Electric, Fairy, Fighting, Flying, Ghost, Ice, Normal, Poison, Psychic, Steel
Weak vs: Dragon, Grass, Water
Charged Moves
Charged Move · STAB
Strong vs: Fire, Ground, Rock
Neutral vs: Bug, Dark, Electric, Fairy, Fighting, Flying, Ghost, Ice, Normal, Poison, Psychic, Steel
Weak vs: Dragon, Grass, Water
Charged Move
Strong vs: Flying, Water
Neutral vs: Bug, Dark, Fairy, Fighting, Fire, Ghost, Ice, Normal, Poison, Psychic, Rock, Steel
Weak vs: Dragon, Electric, Grass, Ground
Charged Move · STAB
Strong vs: Fire, Ground, Rock
Neutral vs: Bug, Dark, Electric, Fairy, Fighting, Flying, Ghost, Ice, Normal, Poison, Psychic, Steel
Weak vs: Dragon, Grass, Water
Castform (Rainy) PvP Move Counts
Water Gun → Weather Ball (Water)
12 Fast Moves from empty energy
Repeating count
Water Gun → Thunder
20 Fast Moves from empty energy
Repeating count
Castform (Rainy) Battle Guide
Matchup values below come from the Great League matchup data in PoGoCoach. A value above 500 means Castform (Rainy) wins the matchup; below 500 means it loses.
Strong Matchups
Difficult Matchups
Castform (Rainy) Weaknesses & Resistances
Defensive type multipliers below combine Castform (Rainy)'s Water typing using the current Pokémon GO battle type chart.
Weak to
- electric1.6×
- grass1.6×
Resistant to
- fire0.625×
- ice0.625×
- steel0.625×
- water0.625×
Best Counters to Castform (Rainy) in Pokémon GO PvP
Recommended attacks are measured against Castform (Rainy) in Great League. Charged Move percentages show estimated unshielded damage to Castform (Rainy)'s league HP.
Great League
Recommended attacks
- Shadow Clawghost
Fast Move
Neutral
- Shadow Sneakghost
Charged Move
Neutral
40% HP
- Play Roughfairy
Charged Move
Neutral
48% HP
Great League
Recommended attacks
- Thunder Shockelectric
Fast Move
Super Effective
- Double Iron Bashsteel
Charged Move
Resisted
24% HP
- Dynamic Punchfighting
Charged Move
Neutral
40% HP
Great League
Recommended attacks
- Dragon Breathdragon
Fast Move
Neutral
- Moonblastfairy
Charged Move
Neutral
34% HP
- Flamethrowerfire
Charged Move
Resisted
22% HP
Great League
Recommended attacks
- Scratchnormal
Fast Move
Neutral
- Body Slamnormal
Charged Move
Neutral
34% HP
- Bulldozeground
Charged Move
Neutral
34% HP
Great League
Recommended attacks
- Mud Shotground
Fast Move
Neutral
- Aqua Tailwater
Charged Move
Resisted
21% HP
- Stone Edgerock
Charged Move
Neutral
49% HP
Ratings are shown from Castform (Rainy)'s perspective: the lower the value, the harder the matchup is for Castform (Rainy).
Best Teammates for Castform (Rainy) in Pokémon GO PvP
Good teammates for Castform (Rainy) should help cover some of its most difficult matchups while adding useful coverage against the current Great League meta.
Covers 4 of Castform (Rainy)'s 5 hardest current matchups.
Covers 3 of Castform (Rainy)'s 5 hardest current matchups.
Covers 3 of Castform (Rainy)'s 5 hardest current matchups.
Teammates are calculated from the current Great League rankings and matchup data, and update automatically with each PvP data import.
Best PvP IVs for Castform (Rainy)
| League | Rank | IVs | CP | Level | Stat Product |
|---|---|---|---|---|---|
| Great League | #1 | 0/14/15 | 1,496 | 41.5 | 2,016,902 |
| #2 | 0/15/14 | 1,497 | 41.5 | 2,016,460 | |
| #3 | 0/13/15 | 1,500 | 42 | 2,016,277 | |
| #4 | 0/14/13 | 1,497 | 42 | 2,015,921 | |
| #5 | 0/11/15 | 1,500 | 42.5 | 2,015,655 |
Castform (Rainy) Stats in Pokémon GO
Castform (Rainy)'s real battle stats in each league, at the CP cap and that league's best IV combination.
Great League
Castform (Rainy) 0/14/15 (Best IV)
- Level
- 41.5
- CP
- 1,496
- Attack
- 110.9
- Defense
- 122.1
- HP
- 149
Castform (Rainy) Evolution
Castform (Rainy) has no normal evolution in Pokémon GO.
Pokémon Similar to Castform (Rainy) in Pokémon GO PvP
Same Water typing · Same Water Gun fast move · Ultra League #739
Same Water typing · Same Water Gun fast move · Great League #1058
Same Water typing · Same Water Gun fast move · Great League #1074
Same Water typing · Same Water Gun fast move · Ultra League #721
Same Water typing · Same Water Gun fast move · Great League #1060
Shares Water typing · Same Water Gun fast move · Master League #402
More PoGoCoach tools
Castform (Rainy) Pokémon GO PvP FAQ
What is the best moveset for Castform (Rainy) in Pokémon GO PvP?
Castform (Rainy)'s recommended PvP moveset is Water Gun with Weather Ball (Water) and Thunder.
Is Castform (Rainy) good in Pokémon GO PvP?
Castform (Rainy) is currently a viable PvP option in Great League, where it is ranked #206.
What counters Castform (Rainy) in Pokémon GO PvP?
Mimikyu, Melmetal and Altaria are among the strongest current counters to Castform (Rainy) in Great League.
What is Castform (Rainy) weak to in Pokémon GO?
Castform (Rainy) is weak to Electric (1.6×), Grass (1.6×).