Sprinkler Winterization in District of Columbia
In District of Columbia, local sprinklers deadlines run from Nov 10 to Nov 10, with a median around Nov 10 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.
Notable cities
All District of Columbia cities
Back to the national Sprinkler Winterization guide, or see the methodology.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.