Sprinkler Winterization in Pennsylvania
In Pennsylvania, local sprinklers deadlines run from Oct 21 to Nov 19, with a median around Oct 25 — 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
- York — earliest deadline in the state
- Philadelphia — latest deadline in the state
- Lancaster — near the state median
All Pennsylvania cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| York | Oct 21 | Oct 31 | View → | Checklist |
| Scranton | Oct 24 | Nov 3 | View → | Checklist |
| Altoona | Oct 24 | Nov 3 | View → | Checklist |
| Wilkes-Barre | Oct 24 | Nov 3 | View → | Checklist |
| Allentown | Oct 25 | Nov 4 | View → | Checklist |
| Bethlehem | Oct 25 | Nov 4 | View → | Checklist |
| Lancaster | Oct 25 | Nov 4 | View → | Checklist |
| Pittsburgh | Oct 26 | Nov 5 | View → | Checklist |
| Harrisburg | Oct 26 | Nov 5 | View → | Checklist |
| State College | Oct 26 | Nov 5 | View → | Checklist |
| Reading | Oct 29 | Nov 8 | View → | Checklist |
| Erie | Nov 6 | Nov 16 | View → | Checklist |
| Philadelphia | Nov 19 | Nov 29 | View → | Checklist |
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.