Frost dates in Spokane County, Washington
The average last spring frost in Spokane County falls Apr 26 to May 30 and the average first fall frost Sep 4 to Oct 15, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Airway Heights, Cheney, Country Homes, Deer Park, Fairchild AFB, Fairfield. 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 |
|---|---|---|---|---|
| 99001 | Airway Heights | Apr 26 | Oct 12 | 6b |
| 99003 | May 22 | Sep 14 | 6b | |
| 99004 | Cheney | May 30 | Sep 4 | 6b |
| 99005 | Green Bluff | May 22 | Sep 14 | 6b |
| 99006 | Deer Park | May 22 | Sep 14 | 6b |
| 99009 | May 22 | Sep 14 | 6b | |
| 99011 | Fairchild AFB | May 10 | Sep 26 | 6b |
| 99012 | Fairfield | May 11 | Oct 5 | 6b |
| 99014 | Four Lakes | Apr 26 | Oct 12 | 6b |
| 99016 | Spokane Valley | Apr 26 | Oct 15 | 6b |
| 99018 | Latah | May 11 | Oct 5 | 6b |
| 99019 | Liberty Lake | Apr 26 | Oct 15 | 6b |
| 99020 | Apr 26 | Oct 12 | 6b | |
| 99021 | Mead | Apr 26 | Oct 15 | 6b |
| 99022 | Medical Lake | May 10 | Sep 26 | 6b |
| 99023 | Apr 26 | Oct 15 | 6b | |
| 99025 | Otis Orchards-East Farms | Apr 26 | Oct 15 | 6b |
| 99026 | Suncrest | May 10 | Sep 26 | 6b |
| 99027 | Otis Orchards-East Farms | Apr 26 | Oct 15 | 6b |
| 99030 | Rockford | May 11 | Oct 5 | 6b |
| 99031 | Spangle | May 30 | Sep 4 | 6b |
| 99036 | Apr 26 | Oct 15 | 6b | |
| 99037 | Spokane Valley | Apr 26 | Oct 15 | 7a |
| 99039 | Waverly | May 7 | Sep 28 | 6b |
| 99201 | Spokane | Apr 26 | Oct 12 | 7a |
| 99202 | Spokane | Apr 26 | Oct 15 | 7a |
| 99203 | Spokane | Apr 26 | Oct 15 | 6b |
| 99204 | Spokane | Apr 26 | Oct 12 | 7a |
| 99205 | Spokane | Apr 26 | Oct 15 | 7a |
| 99206 | Spokane Valley | Apr 26 | Oct 15 | 7a |
| 99207 | Spokane | Apr 26 | Oct 15 | 7a |
| 99208 | Spokane | Apr 26 | Oct 15 | 6b |
| 99212 | Spokane Valley | Apr 26 | Oct 15 | 7a |
| 99216 | Spokane Valley | Apr 26 | Oct 15 | 7a |
| 99217 | Spokane | Apr 26 | Oct 15 | 6b |
| 99218 | Fairwood | Apr 26 | Oct 15 | 7a |
| 99223 | Spokane | Apr 26 | Oct 15 | 6b |
| 99224 | Spokane | Apr 26 | Oct 12 | 6b |
| 99251 | Country Homes | Apr 26 | Oct 15 | 7a |
| 99258 | Spokane | Apr 26 | Oct 15 | 7a |
Nearby counties
Lincoln County Stevens County Whitman County Pend Oreille County Adams County Garfield County
All Washington counties · Download Washington frost dates (CSV)
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