FrostList

Winter Prep Checklist for Portland, OR

Here's the order to prep Portland, OR for winter, set by local freeze data. Your first deadline is November 10 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Portland

  1. NovemberNovember 10 — Prevent Frozen PipesSee details →
  2. DecemberDecember 1 — Store Your MotorcycleSee details →
  3. DecemberDecember 10 — Winterize SprinklersSee details →
  4. DecemberDecember 10 — Winterize Your RVSee details →
  5. DecemberDecember 13 — Winterize Your BoatSee details →
  6. DecemberDecember 16 — Prevent Ice DamsSee details →
  7. DecemberDecember 20 — Test Your Car BatterySee details →
  8. DecemberDecember 25 — Prep Your Snow BlowerSee details →
  9. FebruaryFebruary 25 — Test Your Sump PumpSee details →

Dates are local deadlines derived from NOAA 1991–2020 freeze and snowfall normals for Portland. Live outlooks on each linked page can move the urgency earlier.

How the order is set

Each task is pinned to Portland's own NOAA 1991–2020 freeze and snowfall normals, then ordered by its local deadline. Sprinklers, RVs, and boats key off the first 28°F freeze; pipes and motorcycles off the first freezing night; snow blowers and roofs off the first plowable snow. Follow any link for the live outlook and a checklist.

Data: NOAA 1991–2020 normals via Portland Kgw-Tv, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.