Possession
1 oz (28 g)
Yes.
Weed is legal in Washington for adults 21+. Updated October 2026.
1 oz (28 g)
Visitors to Washington are generally subject to the same recreational cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
21+
medical patients only (6 plants)
2012
Recreational cannabis is legal for adults 21+ in Washington; legal to possess up to 1 oz (28 g).
WhereItsLegal indexes weed in Washington as legal. Recreational cannabis is legal for adults 21+ in Washington; legal to possess up to 1 oz (28 g).
The recorded possession limit for weed in Washington is 1 oz (28 g).
The legal age attached to this ruling is 21. Anyone younger is outside the recorded permission, even where adult use is legal.
Home cultivation is recorded as: medical patients only (6 plants).
Visitors to Washington are generally subject to the same recreational cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
The last recorded status change year is 2012.
Laws move. The last verified date on this ruling is 2026-10-19. Always read the linked source and local statute before acting.
Last recorded change to this legal status.
Yes — weed is legal in Washington for adults 21+.
The recorded status for Washington as a whole is legal. Local bylaws can still add conditions.
The recorded minimum age is 21.
The recorded possession limit is 1 oz (28 g).
Visitors to Washington are generally subject to the same recreational cannabis rules as residents. Crossing a border with it remains a separate, usually prohibited, act.
Home cultivation is recorded as: medical patients only (6 plants).
Last verified 2026-10-19, with a recorded law date of 2012-12-06.
Domestic legality in Washington does not make it legal to carry weed across an international border. Border rules are separate and typically prohibit it.
Not legal advice. This page is generated from a typed dataset. If a fact is missing, the section is omitted rather than guessed. Methodology.