FrostList

Winter Prep Checklist for Hillsboro, OR

Here's the order to prep Hillsboro, OR for winter, set by local freeze data. Your first deadline is October 3 — prevent frozen pipes — and the sequence runs through the cold season into spring below.

Your winter prep order for Hillsboro

  1. OctoberOctober 3Prevent Frozen PipesSee details →
  2. OctoberOctober 23Store Your MotorcycleSee details →
  3. NovemberNovember 2Winterize SprinklersSee details →
  4. NovemberNovember 2Winterize Your RVSee details →
  5. NovemberNovember 5Winterize Your BoatSee details →
  6. NovemberNovember 12Test Your Car BatterySee details →
  7. AprilApril 16Test Your Sump PumpSee details →

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

How the order is set

Each task is pinned to Hillsboro'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-Hillsboro AP, live outlook by Open-Meteo. Sources · Methodology. Last updated: July 11, 2026.