Weather is an effect that affects all Pokémon currently on the battlefield. There are four types of weather:
- Sandstorm, which will damage Pokémon that are not Steel, Rock, or Ground type
- Hail, which damages all Pokémon that do not have the Ice type
- Rain, which boosts the power of Water type moves and lowers the power of Fire type moves
- Sunny, which boosts the power of Fire type moves and lowers the power of Water type moves
There are several ways that weather can occur.
There are abilities that cause these weather phenomena;
- Sand stream (Sandstorm)
- Snow warning (Hail)
- Drizzle (Rain)
- Drought (Sunny)
Additionally, there are moves that can trigger weather.
- Rain Dance (Rain)
- Sunny Day (Sunny)
- Sandstorm
- Hail