Weather Week 2021
As the Charge Up event fills the air with electricity, we’re receiving forecasts of some wild weather on the horizon! We’re excited to announce the first-ever Weather Week event, during which Pokémon that enjoy rainy or windy conditions will be appearing more often in the wild.
Bonuses 
Features 
- Complete event-exclusive Field Research and Timed Research to encounter Pokémon like Rainy Form Castform and more.
- New spring-themed avatar items will be available in the shop!
Spawns 
Castform will be appearing more frequently in the wild throughout the event, alongside other Pokémonthat tend to appear when it’s either rainy and windy, like Wingull and Ducklett. If you’re lucky, you might encounter a Shiny Rainy Form Castform!
Parasect
Psyduck
Poliwag
Vaporeon
Skarmory
Lotad
Taillow
Wingull
Surskit
Plusle
Minun
Castform
Croagunk
Pidove
Ducklett
Shelmet
Stunfisk
Rainy Form Castform will only appear in Rainy weather
From Wednesday, March 24, 2021, at 10:00 a.m. to Saturday, March 27, 2021, at 10:00 a.m. local time, Pokémon that enjoy rainy conditions—like Vaporeon, Lotad, Stunfisk, and more—will be appearing more frequently in the wild.
Rainy Weather Pokémon
- Parasect
- Psyduck
- Poliwag
- Vaporeon
- Lotad
- Surskit
- Croagunk
- Shelmet
- Stunfisk
From Saturday, March 27, 2021, at 10:00 a.m. to Monday, March 29, 2021, at 8:00 p.m. local time, Pokémon that enjoy windy conditions—like Skarmory, Taillow, Pidove, and more—will be appearing more frequently in the wild.
Windy Weather Pokémon
Spearow- Skarmory
- Taillow
- Wingull
Spoink
Drifloon- Pidove
- Ducklett
Eggs 
In 5 km Eggs
- Psyduck
- Poliwag
Swablu- Drifloon
Mantyke
Tympole- Ducklett
Raids 
Appearing in 1- Star Raids
Slowpoke
Murkrow
Shinx
Tynamo
Appearing in 3- Star Raids
Poliwrath
Lickitung
Swellow
Pelipper
Appearing in 5- Star Raids
Thundurus (Therian)
Appearing in Mega Raids
Mega Houndoom
Mega Manectric
Mega Abomasnow
Shiny 
These Pokémon will be released in their shiny variant with the start of the event.
Castform
The following will not be released yet but I’ve included them here for those curious as to how they look like.
Other Castform Forms
Castform
Castform
Graphic 
