Weather
Weather is a battlefield condition that changes move power, accuracy and some damage for several turns
Gold and Silver added rain, harsh sunlight and sandstorm. Rain raises Water moves by 1.5 times and halves Fire moves; sun does the reverse. From Diamond and Pearl, sandstorm also raises the Special Defense of Rock types by 1.5 times.
Main-series games; introduced in Generation II, Gold and Silver.
3 later changes
- Ruby and Sapphire added hail and weather-setting abilities such as Drizzle that lasted until replaced.
- X and Y limited ability-set weather to five turns, or eight with the matching rock.
- Scarlet and Violet replaced hail with snow, which raises Ice-type Defense by 1.5 times and deals no damage.