Weezing
#110 in the Kanto Pokédex • Poison Gas Pokémon
Weezing in the National Pokédex
Pokédex entries
FireRed
Very rarely, a sudden mutation can result in two small KOFFING twins becoming conjoined as a WEEZING.
LeafGreen
Where two kinds of poison gases meet, two KOFFING can fuse into a WEEZING over many years.
Pokémon details
Type
Category
Ability
Height
Weight
National Pokédex
Kanto Pokédex
Weezing in Other Games
National Dex pageMin
Max
HP
65
240
334
Attack
90
166
306
Defense
120
220
372
Sp. Atk
85
157
295
Sp. Def
70
130
262
Speed
60
112
240
Total
490
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Game availability
Available within the FireRed/LeafGreen pair. Depending on the species, acquisition can require the other version, the postgame, evolution, breeding, or an event ticket. Original GBA event tickets required historical distributions; Switch ticket access differs.
| EV yield | 2 Def |
|---|---|
| Catch rate | 60 |
| Base Exp. | 173 |
| Egg groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 20 (5,375 steps) |
| Pokémon | Requires | Evolution |
|---|---|---|
 Koffing #109 | Level 35 |  Weezing #110 |
Wild encounter
In FireRed, Weezing appears in the wild in the Pokémon Mansion on Cinnabar Island. It does not appear in the wild in LeafGreen, so evolve Koffing (level 35) instead.
Pokémon Mansion
| Class | ||||||
|---|---|---|---|---|---|---|
| Start | Tackle |  |  | 35 | 95 | 35 |
| Start | Self-Destruct | | | 200 | 100 | 5 |
| Start | Smog | | | 20 | 70 | 20 |
| Start | Poison Gas | |  | - | 55 | 40 |
| 9 | Smog | | | 20 | 70 | 20 |
| 17 | Self-Destruct | | | 200 | 100 | 5 |
| 21 | Sludge | | | 65 | 100 | 20 |
| 25 | Smokescreen | | | - | 100 | 20 |
| 33 | Haze |  | | - | - | 30 |
| 44 | Explosion | | | 250 | 100 | 5 |
| 51 | Destiny Bond |  | | - | - | 5 |
| 58 | Memento |  | | - | 100 | 10 |
| Class | ||||||
|---|---|---|---|---|---|---|
| TM06 | Toxic | | | - | 85 | 10 |
| TM10 | Hidden Power | | | - | 100 | 15 |
| TM11 | Sunny Day |  | | - | - | 5 |
| TM12 | Taunt | | | - | 100 | 20 |
| TM15 | Hyper Beam | | | 150 | 90 | 5 |
| TM17 | Protect | | | - | - | 10 |
| TM18 | Rain Dance |  | | - | - | 5 |
| TM21 | Frustration | | | - | 100 | 20 |
| TM24 | Thunderbolt |  |  | 95 | 100 | 15 |
| TM25 | Thunder | | | 120 | 70 | 10 |
| TM27 | Return | | | - | 100 | 20 |
| TM30 | Shadow Ball | | | 80 | 100 | 15 |
| TM32 | Double Team | | | - | - | 15 |
| TM34 | Shock Wave | | | 60 | - | 20 |
| TM35 | Flamethrower | | | 95 | 100 | 15 |
| TM36 | Sludge Bomb | | | 90 | 100 | 10 |
| TM38 | Fire Blast | | | 120 | 85 | 5 |
| TM41 | Torment | | | - | 100 | 15 |
| TM42 | Facade | | | 70 | 100 | 20 |
| TM43 | Secret Power | | | 70 | 100 | 20 |
| TM44 | Rest |  | | - | - | 10 |
| TM45 | Attract | | | - | 100 | 15 |
| TM46 | Thief | | | 40 | 100 | 10 |
| HM05 | Flash | | | - | 70 | 20 |
| Class | |||||
|---|---|---|---|---|---|
| Explosion | | | 250 | 100 | 5 |
| Mimic | | | - | - | 10 |
| Substitute | | | - | - | 10 |
Levitate
Not hit by GROUND attacks.
Evades Ground moves.
