Frost dates in Washington County, Maryland
The average last spring frost in Washington 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: Boonsboro, Brownsville, Cavetown, Charlton, Fountainhead-Orchard Hills, Funkstown. 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 |
|---|---|---|---|---|
| 21711 | Pecktonville | Apr 17 | Oct 23 | 7a |
| 21713 | Boonsboro | Apr 26 | Oct 18 | 7a |
| 21715 | Brownsville | Apr 26 | Oct 18 | 7a |
| 21719 | Highfield-Cascade | Apr 14 | Oct 30 | 7a |
| 21722 | Charlton | Apr 7 | Nov 4 | 7a |
| 21733 | St. James | Apr 26 | Oct 18 | 7a |
| 21734 | Funkstown | Apr 7 | Nov 4 | 7a |
| 21740 | Hagerstown | Apr 7 | Nov 4 | 7a |
| 21742 | Fountainhead-Orchard Hills | Apr 25 | Oct 19 | 7a |
| 21746 | Apr 25 | Oct 19 | 7a | |
| 21750 | Hancock | Apr 23 | Oct 21 | 7a |
| 21756 | Keedysville | Apr 26 | Oct 18 | 7a |
| 21767 | Maugansville | Apr 7 | Nov 4 | 7a |
| 21779 | Gapland | Apr 26 | Oct 18 | 7a |
| 21781 | St. James | Apr 7 | Nov 4 | 7a |
| 21782 | Mercersville | Apr 26 | Oct 18 | 7a |
| 21783 | Cavetown | Apr 25 | Oct 19 | 7a |
| 21795 | Williamsport | Apr 7 | Nov 4 | 7a |
Nearby counties
Frederick County Carroll County Montgomery County Howard County Allegany County Baltimore County
All Maryland counties · Download Maryland 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.