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Forecast (Ability)

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Forecast てんきや
Weatherman
Flavor text
Generation III
Changes with the weather.
Generation IV
Castform transforms with the weather.
Generation V
Castform transforms with the weather.
Generation VI
Castform transforms with the weather.

Forecast (Japanese: てんきや Weatherman) is an Ability introduced in Generation III. It is the signature Ability of Castform.

Effect

In battle

During weather conditions, Forecast will change Castform's form, which changes its type. Castform changes as follows:

This Ability has no effect on Pokémon other than Castform.

Forecast does not change Castform's form until after Stealth Rock deals damage.

Generation III and IV

If Castform loses Forecast or Forecast is suppressed with Gastro Acid, it will be stuck in its current form. When it regains Forecast, it will change to the form matching the current weather, even if it is already in the correct form (which resets its type if it had changed due to an effect like Color Change).

Generation V onward

If Castform loses Forecast or Forecast is suppressed with Gastro Acid, it will revert to its normal form and not be able to change form. If Castform regains Forecast, it will change form to match the current weather, unless it would be in its normal form in the current weather.

Outside of battle

Forecast has no effect outside of battle.

Pokémon with Forecast

# Pokémon Types First Ability Second Ability Hidden Ability
Castform Castform Normal Normal Forecast None None
Castform Castform
Sunny Form
Fire Fire Forecast None None
Castform Castform
Rainy Form
Water Water Forecast None None
Castform Castform
Snowy Form
Ice Ice Forecast None None
Please note that this is only 100% accurate to Generation VI games.
  • For Generation III games, ignore Abilities introduced in Generation IV and Hidden Abilities.
  • For Generation IV games, ignore Hidden Abilities.
  • For Generation V games, ignore Abilities introduced in Generation VI.

In the anime

Bart Castform Forecast.png Bart Castform Forecast Rain Dance.png Bart Castform Forecast Sunny Day.png None.png
Castform in clear weather Castform while raining Castform in intense sunlight
The user's body glows and changes to an alternate form depending on the weather.
Pokémon Method
User First Used In Notes
351 Castform Castform's body glows white when the weather is calm and it transforms into its Normal form.
Bart's Castform Unfair-Weather Friends Debut
351R Castform Castform's body glows blue when it starts to rain and it transforms into its Rainy form.
Bart's Castform Unfair-Weather Friends None
351S Castform Castform's body glows red when there isn't a cloud in the sky and it transforms into its Sunny form.
Bart's Castform Unfair-Weather Friends None

In the manga

In the Pokémon Adventures manga


Trivia

In other languages

Language Title
Mandarin Chinese 天氣預報 Tiānqì Yùbào
France Flag.png French Météo
Germany Flag.png German Prognose
Italy Flag.png Italian Previsioni
South Korea Flag.png Korean 기분파 Gibunpa
Portugal Flag.png Portuguese Previsão do Tempo
Spain Flag.png Spanish Predicción


Abilities affected by weather conditions
Sand VeilSwift SwimChlorophyllForecastDry SkinRain DishSnow CloakHydrationSolar PowerLeaf GuardIce BodyFlower GiftSand ForceSand Rush


Project Moves and Abilities logo.png This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.