Complete guide to Pokemon Go Weather Week with Shiny Castform, research tasks, and pro strategies
Weather Week Event Overview
Pokemon Go’s Weather Week marks a special celebration of climate-themed Pokemon, running from March 24 to 29 as part of the Seasons of Legends. This event introduces Shiny Castform for the first time since the Generation III Pokemon’s debut in 2003.
Pro Tip: Weather Week features two distinct research tracks – Field Research from PokeStops and automatic Exclusive Research for all logged-in players. The Shiny variant is only available through Field Research tasks.
Event timing is crucial – all Exclusive Research expires March 29 at 8:00 PM local time. Unlike regular research, these time-limited tasks disappear completely after the deadline, so prioritize them first.
Field Research Tasks and Rewards
Field Research tasks during Weather Week focus on catching weather-associated Pokemon types, with all tasks obtainable from PokeStops or Gyms:
- Catch five Flying-type Pokemon: Swablu encounter (1 in 500 Shiny chance)
- Catch seven Water/Electric/Bug-types: Standard Castform (1 in 60 Shiny chance)
- Win two raids: Emolga encounter
- Catch seven Water-types: Tympole encounter
- Catch seven Flying/Psychic/Dragon-types: Castform encounter
Shiny Hunting Strategy: Focus on the seven-catch tasks for Castform encounters, as these offer the best Shiny odds. Water-type Pokemon frequently appear near bodies of water, while Electric-types often spawn during rain. Use Weather Boost to your advantage – certain types appear more frequently during matching in-game weather.
Common Mistake: Don’t waste time on gyms for research tasks unless you’re already raiding. PokeStop spins refresh tasks more frequently and don’t require raid passes.
Exclusive Research Walkthrough
All players receive Exclusive Research automatically upon login during Weather Week, divided into multiple stages with escalating difficulty:
Stage 1
- Catch 10 Water/Electric/Bug-types: Rainy Castform
- Snapshot a Water-type: 200 Stardust
- Send three gifts: Psyduck
Rewards: Wailmer, 5 Poke Balls, 500 XP
Stage 2
- Catch 15 Water/Electric/Bug-types: Rainy Castform
- Power up 7 times: 3 Pinap Berries
- Defeat 2 Team Rocket Grunts: Buizel
Rewards: Rainy Castform, 7 Poke Balls, 500 XP
Rocket Grunt Strategy: Disable Rocket Radars to avoid accidentally fighting leaders. Grunts appear more frequently at PokeStops between 6-7 PM local time. Look for dark blue swirling stops – these indicate active Rocket takeovers.
Power-Up Efficiency: Sort Pokemon by CP ascending and power up the lowest 7 Pokemon. This conserves Stardust and Candy while completing the task. Even 10 CP Pokemon count!
Advanced Player Strategies
Resource Management
For evolution tasks, target Pokemon requiring only 12-25 candy like Caterpie, Weedle, or Pidgey. Save high-candy evolutions for Community Days or special events.
Curveball Mastery
When attempting consecutive curveball throws:
- Practice on large Pokemon like Sudowoodo or Snorlax
- Enable AR mode for better throwing angles
- Wait for attack animations to complete before throwing
Buddy Heart Fast Track: Combine Poffins with photo sessions, play sessions, and treats to maximize heart gain. Each interaction type provides separate heart opportunities.
Location Optimization: Visit areas with high PokeStop density to efficiently complete multiple Field Research tasks. Urban parks and college campuses often provide ideal farming conditions.
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