Frost dates in Chester County, Pennsylvania
The average last spring frost in Chester County falls Apr 7 to Apr 26 and the average first fall frost Oct 18 to Nov 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7a. Places: Atglen, Berwyn, Chadds Ford, Coatesville, Cochranville, Devon. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 19087 | Wayne | Apr 8 | Oct 31 | 7a |
| 19301 | Paoli | Apr 18 | Oct 27 | 7a |
| 19310 | Atglen | Apr 19 | Oct 25 | 7a |
| 19311 | Toughkenamon | Apr 19 | Oct 26 | 7a |
| 19312 | Berwyn | Apr 18 | Oct 27 | 7a |
| 19316 | Apr 19 | Oct 25 | 7a | |
| 19317 | Chadds Ford | Apr 7 | Nov 4 | 7a |
| 19320 | Coatesville | Apr 19 | Oct 25 | 7a |
| 19330 | Cochranville | Apr 19 | Oct 26 | 7a |
| 19333 | Devon | Apr 8 | Oct 31 | 7a |
| 19335 | Downingtown | Apr 26 | Oct 18 | 7a |
| 19341 | Exton | Apr 26 | Oct 18 | 7a |
| 19343 | Glenmoore | Apr 11 | Nov 1 | 7a |
| 19344 | Honey Brook | Apr 16 | Oct 27 | 7a |
| 19345 | Apr 26 | Oct 18 | 7a | |
| 19348 | Kennett Square | Apr 19 | Oct 26 | 7a |
| 19350 | Apr 19 | Oct 26 | 7a | |
| 19352 | Lincoln University | Apr 19 | Oct 26 | 7a |
| 19355 | Frazer | Apr 18 | Oct 27 | 7a |
| 19358 | Modena | Apr 19 | Oct 25 | 7a |
| 19362 | Nottingham | Apr 26 | Oct 22 | 7a |
| 19363 | Oxford | Apr 26 | Oct 22 | 7a |
| 19365 | Parkesburg | Apr 19 | Oct 25 | 7a |
| 19367 | Pomeroy | Apr 19 | Oct 25 | 7a |
| 19369 | Sadsburyville | Apr 19 | Oct 25 | 7a |
| 19372 | Thorndale | Apr 19 | Oct 25 | 7a |
| 19374 | Toughkenamon | Apr 19 | Oct 26 | 7a |
| 19375 | Unionville | Apr 19 | Oct 26 | 7a |
| 19380 | West Chester | Apr 26 | Oct 18 | 7a |
| 19382 | Dilworthtown | Apr 26 | Oct 18 | 7a |
| 19383 | West Chester | Apr 26 | Oct 18 | 7a |
| 19390 | West Grove | Apr 19 | Oct 26 | 7a |
| 19425 | Eagle | Apr 18 | Oct 27 | 7a |
| 19442 | Kimberton | Apr 18 | Oct 27 | 7a |
| 19457 | Apr 20 | Oct 23 | 7a | |
| 19460 | Phoenixville | Apr 18 | Oct 27 | 7a |
| 19465 | Kenilworth | Apr 20 | Oct 23 | 7a |
| 19475 | Spring City | Apr 20 | Oct 23 | 7a |
| 19520 | Elverson | Apr 16 | Oct 27 | 7a |
Nearby counties
Delaware County Montgomery County Lancaster County Philadelphia County Berks County Bucks County
All Pennsylvania counties · Download Pennsylvania frost dates (CSV)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.