Frost dates in Ferry County, Washington
The average last spring frost in Ferry County falls Apr 22 to May 30 and the average first fall frost Sep 10 to Oct 21, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6a to 7a. Places: Curlew, Curlew Lake, Danville, Inchelium, Keller, Kettle Falls. 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 |
|---|---|---|---|---|
| 99118 | Curlew | May 30 | Sep 10 | 6a |
| 99121 | Danville | May 30 | Sep 10 | 6b |
| 99138 | Inchelium | May 16 | Sep 15 | 6b |
| 99140 | Keller | Apr 22 | Oct 21 | 7a |
| 99141 | Kettle Falls | May 2 | Oct 2 | 6b |
| 99146 | Laurier | May 8 | Oct 1 | 6b |
| 99150 | Malo | May 30 | Sep 10 | 6a |
| 99160 | Orient | May 8 | Oct 1 | 6b |
| 99166 | Curlew Lake | May 30 | Sep 10 | 6a |
Nearby counties
Stevens County Pend Oreille County Okanogan County Lincoln County Spokane County Douglas County
All Washington counties · Download Washington 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.