Weavile locations — where to catch

In Paldea (Scarlet & Violet)

• Glaseado Mountain — Walk
• North Province (Area One) — Walk

In Hisui (Legends: Arceus)

• Space-time distortions — Walk

Other games (2)

• Sword / Shield — The Isle of Armor (Gen 8): Frigid Sea, Frostpoint Field, Giant's Bed, Giant's Foot, Slippery Slope, Snowslide Slope
• Sword / Shield (Gen 8): Bridge Field, Stony Wilderness, West Lake Axewell

Weavile — full Pokédex entry