Pokémon Go ‘Weather Week’ 2024 Castform event guide
From March 14-18, Castform will be the star of Pokémon Go’s “Weather Week” event. We list all the event bonuses in our guide.
This article references relevant content from the polygon.com website. Original article link: [https://www.polygon.com/pokemon-go-guide/2024/3/14/24100814/weather-week-2024-collection-challenge-field-research-castform]

Pokémon Go is hosting its yearly “Weather Week” event from March 14-18, promoting Castform and its many different weather-based forms.
During the event, Stardust obtained via catching Pokémon will be doubled. You’ll also get more Stardust for catching weather-boosted Pokémon (with the swirly ring around it when you see it on the overworld). Castform also has an increased chance to be shiny.

Below, we list the Pokémon Go “Weather Week” 2024 event perks, like the Collection Challenges.
Pokémon Go ‘Weather Week’ 2024 event Collection Challenges
There are two Collection Challenges for “Weather Week.”
Catch Castform in its different forms (as listed below) for a reward:
Rewards: 5,000 Stardust, 1 Incense
Catch the following to get more rewards:
Rewards: 7,500 Stardust
Pokémon Go ‘Weather Week’ 2024 event Field Research and rewards
Spinning a PokéStop during the event may net you one of these research tasks:
The Castform you get from the “catch 10 Pokémon” encounter may be any of its weather variants.
Pokémon Go ‘Weather Week’ 2024 event boosted spawns
These Pokémon will be spawning more frequently during the event:
There are also some spawns that will only occur during specific weather times:
Pokémon Go ‘Weather Week’ 2024 event raid targets
You can find these Pokémon in raids during the event: