Frost dates in Grant County, Washington
The average last spring frost in Grant County falls Apr 21 to May 14 and the average first fall frost Sep 26 to Oct 21, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7b. Places: Desert Aire, Electric City, Ephrata, George, Hartline, Krupp (Marlin). 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 |
|---|---|---|---|---|
| 98823 | Ephrata | Apr 22 | Oct 17 | 6b |
| 98824 | George | Apr 21 | Oct 16 | 7a |
| 98832 | Krupp (Marlin) | May 14 | Sep 26 | 6b |
| 98837 | Moses Lake | Apr 27 | Oct 8 | 7a |
| 98848 | Quincy | Apr 21 | Oct 16 | 7a |
| 98851 | Soap Lake | Apr 22 | Oct 17 | 7a |
| 98853 | Apr 22 | Oct 17 | 6b | |
| 98857 | Warden | Apr 27 | Oct 8 | 7a |
| 98860 | Wilson Creek | May 2 | Oct 12 | 6b |
| 99123 | Electric City | Apr 22 | Oct 21 | 7a |
| 99135 | Hartline | May 2 | Oct 12 | 6b |
| 99321 | Schwana | Apr 23 | Oct 12 | 7b |
| 99349 | Desert Aire | Apr 23 | Oct 12 | 7a |
| 99357 | Royal City | Apr 23 | Oct 12 | 7a |
Nearby counties
Douglas County Adams County Lincoln County Franklin County Chelan County Kittitas County
All Washington counties · Download Washington frost dates (CSV)
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