Washington Marijuana Laws (2026)
Is marijuana legal in Washington? Complete guide to Washington cannabis laws including possession limits, penalties, medical program details, and what happens if you're charged.
Washington Marijuana Status at a Glance
Is Marijuana Legal in Washington?
Marijuana in Washington is currently: Legal (recreational)
Washington was first state to legalize recreational marijuana (2012)
Washington Marijuana Possession Penalties
| Amount | Penalty |
|---|---|
| Small Amount | Legal (up to 1 oz) |
| Large Amount | Over 40g: felony |
Washington Medical Marijuana Program
Washington has an active medical marijuana program. Qualifying patients with a valid medical marijuana card are permitted to possess and use cannabis for approved medical conditions. Possession limits and qualifying conditions vary — check with the Washington Department of Health for current program details.
Recreational Marijuana in Washington
Washington has legalized recreational marijuana for adults 21 and older. Adults may legally purchase cannabis from licensed dispensaries and possess up to the legal limit. Using marijuana in public, driving under the influence of marijuana, and providing marijuana to minors remain illegal.
Marijuana DUI in Washington
Even in states where marijuana is legal, driving under the influence of cannabis is a criminal offense in Washington. Law enforcement can charge you with DUI/DWI if you are impaired while driving, regardless of whether marijuana is legal in the state. There is no universally agreed-upon THC blood level equivalent to alcohol's 0.08% BAC — impairment is assessed by officers and drug recognition experts.